Hi out there! After a (mostly) successfull upgrade from debian buster to bullsye, the login to ispconfig 3.2.8p1 is possibile - but after login only the ispc-logo appears and the logout-button. Thats all - the logout-button is not working. Looking at /var/log/apache2/error.log shows Code: [Thu Jun 09 20:55:03.805375 2022] [core:notice] [pid 1440] AH00052: child pid 1503 exit signal Segmentation fault (11) [Thu Jun 09 20:55:09.884267 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Warning: Undefined array key "user" in /usr/local/ispconfig/interface/web/index.php on line 35 [Thu Jun 09 20:55:09.884306 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/index.php on line 35 [Thu Jun 09 20:55:09.942344 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Warning: Undefined array key "user" in /usr/local/ispconfig/interface/web/login/index.php on line 423 [Thu Jun 09 20:55:09.942373 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 423 [Thu Jun 09 20:55:09.942383 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Warning: Undefined variable $custom_login in /usr/local/ispconfig/interface/web/login/index.php on line 502 [Thu Jun 09 20:55:09.942393 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code:88 [Thu Jun 09 20:55:09.942402 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: Stack trace: [Thu Jun 09 20:55:09.942411 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: #0 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366): eval() [Thu Jun 09 20:55:09.942420 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: #1 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(769): tpl->_parse() [Thu Jun 09 20:55:09.942430 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: #2 /usr/local/ispconfig/interface/web/login/index.php(506): tpl->pparse() [Thu Jun 09 20:55:09.942439 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: #3 {main} [Thu Jun 09 20:55:09.942448 2022] [fcgid:warn] [pid 1739] [client x.X.x.X:52295] mod_fcgid: stderr: thrown in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code on line 88 [Thu Jun 09 20:55:11.827992 2022] [core:notice] [pid 1440] AH00052: child pid 1739 exit signal Segmentation fault (11) [Thu Jun 09 20:55:13.539836 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Undefined array key "user" in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539870 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539879 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Undefined variable $module in /usr/local/ispconfig/interface/web/login/index.php on line 447, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539885 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 65, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539892 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 150, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539899 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Warning: Undefined variable $custom_login in /usr/local/ispconfig/interface/web/login/index.php on line 502, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539907 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code:88, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539928 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: Stack trace:, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539935 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: #0 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366): eval(), referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539942 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: #1 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(769): tpl->_parse(), referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539949 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: #2 /usr/local/ispconfig/interface/web/login/index.php(506): tpl->pparse(), referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539956 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: #3 {main}, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:13.539962 2022] [fcgid:warn] [pid 1644] [client x.X.x.X:52298] mod_fcgid: stderr: thrown in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code on line 88, referer: https://tesoro.XXX.at:8080/login/ [Thu Jun 09 20:55:17.277963 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: PHP Warning: Undefined array key "user" in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.277995 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278001 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: PHP Warning: Undefined variable $module in /usr/local/ispconfig/interface/web/login/index.php on line 447, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278006 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: PHP Warning: Undefined variable $custom_login in /usr/local/ispconfig/interface/web/login/index.php on line 502, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278011 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code:88, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278016 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: Stack trace:, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278020 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: #0 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366): eval(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278025 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: #1 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(769): tpl->_parse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278030 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: #2 /usr/local/ispconfig/interface/web/login/index.php(506): tpl->pparse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278035 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: #3 {main}, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:17.278039 2022] [fcgid:warn] [pid 1736] [client x.X.x.X:52299] mod_fcgid: stderr: thrown in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code on line 88, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.811743 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: PHP Warning: Undefined array key "user" in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.811808 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: PHP Warning: Trying to access array offset on value of type null in /usr/local/ispconfig/interface/web/login/index.php on line 423, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.811823 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: PHP Warning: Undefined variable $module in /usr/local/ispconfig/interface/web/login/index.php on line 447, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846051 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code:116, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846095 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: Stack trace:, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846107 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: #0 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366): eval(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846118 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: #1 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(769): tpl->_parse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846129 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: #2 /usr/local/ispconfig/interface/web/index.php(117): tpl->pparse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846139 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: #3 {main}, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:41.846150 2022] [fcgid:warn] [pid 1504] [client x.X.x.X:52313] mod_fcgid: stderr: thrown in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code on line 116, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 20:55:55.886698 2022] [core:notice] [pid 1440] AH00052: child pid 1502 exit signal Segmentation fault (11) I tried to switch back to php7.4 Code: #update-alternatives --set php /usr/bin/php7.4 # service apache2 restart #php -v PHP 7.4.29 (cli) (built: Apr 22 2022 06:45:04) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies with Zend OPcache v7.4.29, Copyright (c), by Zend Technologies but this does not matter, so the error.log of apache2 shows now Code: [Thu Jun 09 21:13:12.789918 2022] [mpm_prefork:notice] [pid 3223] AH00170: caught SIGWINCH, shutting down gracefully [ 2022-06-09 21:13:12.8868 4466/7f5c5a3b6980 age/Wat/WatchdogMain.cpp:1291 ]: Starting Passenger watchdog... [ 2022-06-09 21:13:12.8937 4469/7f4f9484a980 age/Cor/CoreMain.cpp:982 ]: Starting Passenger core... [ 2022-06-09 21:13:12.8938 4469/7f4f9484a980 age/Cor/CoreMain.cpp:235 ]: Passenger core running in multi-application mode. [ 2022-06-09 21:13:12.9264 4469/7f4f9484a980 age/Cor/CoreMain.cpp:732 ]: Passenger core online, PID 4469 [ 2022-06-09 21:13:12.9453 4480/7f75ebfb3980 age/Ust/UstRouterMain.cpp:529 ]: Starting Passenger UstRouter... [ 2022-06-09 21:13:12.9463 4480/7f75ebfb3980 age/Ust/UstRouterMain.cpp:342 ]: Passenger UstRouter online, PID 4480 [Thu Jun 09 21:13:12.994694 2022] [suexec:notice] [pid 4464] AH01232: suEXEC mechanism enabled (wrapper: /usr/lib/apache2/suexec) [ 2022-06-09 21:13:13.0110 4480/7f75ebefc700 age/Ust/UstRouterMain.cpp:421 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown) [ 2022-06-09 21:13:13.0110 4469/7f4f8f7fe700 age/Cor/CoreMain.cpp:531 ]: Signal received. Gracefully shutting down... (send signal 2 more time(s) to force shutdown) [ 2022-06-09 21:13:13.0111 4480/7f75ebfb3980 age/Ust/UstRouterMain.cpp:491 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected... [ 2022-06-09 21:13:13.0111 4469/7f4f9484a980 age/Cor/CoreMain.cpp:900 ]: Received command to shutdown gracefully. Waiting until all clients have disconnected... [ 2022-06-09 21:13:13.0112 4480/7f75ebefc700 Ser/Server.h:464 ]: [UstRouter] Shutdown finished [ 2022-06-09 21:13:13.0112 4480/7f75eb67a700 Ser/Server.h:816 ]: [UstRouterApiServer] Freed 0 spare client objects [ 2022-06-09 21:13:13.0113 4480/7f75eb67a700 Ser/Server.h:464 ]: [UstRouterApiServer] Shutdown finished [ 2022-06-09 21:13:13.0118 4469/7f4f50ff9700 Ser/Server.h:816 ]: [ApiServer] Freed 0 spare client objects [ 2022-06-09 21:13:13.0118 4469/7f4f50ff9700 Ser/Server.h:464 ]: [ApiServer] Shutdown finished [ 2022-06-09 21:13:13.0122 4480/7f75ebfb3980 age/Ust/UstRouterMain.cpp:523 ]: Passenger UstRouter shutdown finished [ 2022-06-09 21:13:13.0130 4469/7f4f8d7fa700 Ser/Server.h:816 ]: [ServerThr.5] Freed 128 spare client objects [ 2022-06-09 21:13:13.0131 4469/7f4f8f7fe700 Ser/Server.h:816 ]: [ServerThr.1] Freed 128 spare client objects [ 2022-06-09 21:13:13.0131 4469/7f4f8d7fa700 Ser/Server.h:464 ]: [ServerThr.5] Shutdown finished [ 2022-06-09 21:13:13.0131 4469/7f4f527fc700 Ser/Server.h:816 ]: [ServerThr.10] Freed 128 spare client objects [ 2022-06-09 21:13:13.0131 4469/7f4f8dffb700 Ser/Server.h:816 ]: [ServerThr.4] Freed 128 spare client objects [ 2022-06-09 21:13:13.0131 4469/7f4f8f7fe700 Ser/Server.h:464 ]: [ServerThr.1] Shutdown finished [ 2022-06-09 21:13:13.0131 4469/7f4f527fc700 Ser/Server.h:464 ]: [ServerThr.10] Shutdown finished [ 2022-06-09 21:13:13.0131 4469/7f4f8dffb700 Ser/Server.h:464 ]: [ServerThr.4] Shutdown finished [ 2022-06-09 21:13:13.0132 4469/7f4f8effd700 Ser/Server.h:816 ]: [ServerThr.2] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f52ffd700 Ser/Server.h:816 ]: [ServerThr.9] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f51ffb700 Ser/Server.h:816 ]: [ServerThr.11] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f8effd700 Ser/Server.h:464 ]: [ServerThr.2] Shutdown finished [ 2022-06-09 21:13:13.0132 4469/7f4f53fff700 Ser/Server.h:816 ]: [ServerThr.7] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f8e7fc700 Ser/Server.h:816 ]: [ServerThr.3] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f8cff9700 Ser/Server.h:816 ]: [ServerThr.6] Freed 128 spare client objects [ 2022-06-09 21:13:13.0132 4469/7f4f52ffd700 Ser/Server.h:464 ]: [ServerThr.9] Shutdown finished [ 2022-06-09 21:13:13.0132 4469/7f4f537fe700 Ser/Server.h:816 ]: [ServerThr.8] Freed 128 spare client objects [ 2022-06-09 21:13:13.0133 4469/7f4f51ffb700 Ser/Server.h:464 ]: [ServerThr.11] Shutdown finished [ 2022-06-09 21:13:13.0133 4469/7f4f53fff700 Ser/Server.h:464 ]: [ServerThr.7] Shutdown finished [ 2022-06-09 21:13:13.0133 4469/7f4f8e7fc700 Ser/Server.h:464 ]: [ServerThr.3] Shutdown finished [ 2022-06-09 21:13:13.0133 4469/7f4f8cff9700 Ser/Server.h:464 ]: [ServerThr.6] Shutdown finished [ 2022-06-09 21:13:13.0133 4469/7f4f537fe700 Ser/Server.h:464 ]: [ServerThr.8] Shutdown finished [ 2022-06-09 21:13:13.0143 4469/7f4f517fa700 Ser/Server.h:816 ]: [ServerThr.12] Freed 128 spare client objects [ 2022-06-09 21:13:13.0143 4469/7f4f517fa700 Ser/Server.h:464 ]: [ServerThr.12] Shutdown finished [Thu Jun 09 21:13:13.024814 2022] [so:warn] [pid 4464] AH01574: module php_module is already loaded, skipping [ 2022-06-09 21:13:13.0718 4521/7f30bac6f980 age/Wat/WatchdogMain.cpp:1291 ]: Starting Passenger watchdog... [ 2022-06-09 21:13:13.0794 4524/7f4069251980 age/Cor/CoreMain.cpp:982 ]: Starting Passenger core... [ 2022-06-09 21:13:13.0795 4524/7f4069251980 age/Cor/CoreMain.cpp:235 ]: Passenger core running in multi-application mode. [ 2022-06-09 21:13:13.1177 4524/7f4069251980 age/Cor/CoreMain.cpp:732 ]: Passenger core online, PID 4524 [ 2022-06-09 21:13:13.1388 4529/7f54814a4980 age/Ust/UstRouterMain.cpp:529 ]: Starting Passenger UstRouter... [ 2022-06-09 21:13:13.1395 4529/7f54814a4980 age/Ust/UstRouterMain.cpp:342 ]: Passenger UstRouter online, PID 4529 [ 2022-06-09 21:13:13.1585 4469/7f4f9484a980 age/Cor/CoreMain.cpp:967 ]: Passenger core shutdown finished [Thu Jun 09 21:13:13.207881 2022] [:error] [pid 4514] python_init: Python version mismatch, expected '3.9.0+', found '3.9.2'. [Thu Jun 09 21:13:13.208016 2022] [:error] [pid 4514] python_init: Python executable found '/'. [Thu Jun 09 21:13:13.208024 2022] [:error] [pid 4514] python_init: Python path being used '/'. [Thu Jun 09 21:13:13.208040 2022] [:notice] [pid 4514] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads. [Thu Jun 09 21:13:13.208046 2022] [:notice] [pid 4514] mod_python: using mutex_directory /tmp [Thu Jun 09 21:13:13.222871 2022] [mpm_prefork:notice] [pid 4514] AH00163: Apache/2.4.53 (Debian) mod_fcgid/2.3.9 Phusion_Passenger/5.0.30 OpenSSL/1.1.1n mod_python/3.5.0- Python/3.9.2 mod_perl/2.0.11 Perl/v5.32.1 configured -- resuming normal operations [Thu Jun 09 21:13:13.222896 2022] [core:notice] [pid 4514] AH00094: Command line: '/usr/sbin/apache2' [Thu Jun 09 21:13:17.212103 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: PHP Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code:116, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212175 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: Stack trace:, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212188 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: #0 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366): eval(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212198 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: #1 /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(769): tpl->_parse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212208 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: #2 /usr/local/ispconfig/interface/web/index.php(117): tpl->pparse(), referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212218 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: #3 {main}, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.212228 2022] [fcgid:warn] [pid 4575] [client x.X.x.X:52348] mod_fcgid: stderr: thrown in /usr/local/ispconfig/interface/lib/classes/tpl.inc.php(1366) : eval()'d code on line 116, referer: https://tesoro.XXX.at:8080/login/index.php [Thu Jun 09 21:13:17.234161 2022] [core:notice] [pid 4514] AH00052: child pid 4574 exit signal Segmentation fault (11) Any ideas if this is about the unmet dependency of Python? How can I get rid of this? Thank you for all your answers!
See chapter "panel not showing up" here https://www.howtoforge.com/community/threads/please-read-before-posting.58408/ on how to properly switch back PHP version for all required PHP 'types', and ensure that you restart apache afterwards.