Cannot create accounts by api after upgrade to 3.1.11

After upgrade ispconfig to 3.1.11 the website add function in API not work anymore.

After read the log, i found this:

[INTERFACE]: PHP IDS Alert.Total impact: 54<br/> Affected tags: xss, csrf, dt, id, lfi, rfe, sqli<br/> <br/> Variable: POST.{&quot;session_id&quot;:&quot;(hidden)&quot;,&quot;client_id&quot;:&quot;282&quot;,&quot;params&quot;:{&quot;server_id&quot;:&quot;5&quot;,&quot;http_port&quot;:80,&quot;https_port&quot;:443,&quot;ip_address&quot;:&quot;*&quot;,&quot;ipv6_address&quot;:&quot;&quot;,&quot;domain&quot;:&quot;(hidden)&quot;,&quot;type&quot;:&quot;vhost&quot;,&quot;parent_domain_id&quot;:0,&quot;vhost_type&quot;:&quot;name&quot;,&quot;hd_quota&quot;:-1,&quot;traffic_quota&quot;:-1,&quot;cgi&quot;:&quot;n&quot;,&quot;ssi&quot;:&quot;n&quot;,&quot;suexec&quot;:&quot;y&quot;,&quot;errordocs&quot;:1,&quot;is_subdomainwww&quot;:1,&quot;subdomain&quot;:&quot;www&quot;,&quot;php&quot;:&quot;php-fpm&quot;,&quot;perl&quot;:&quot;n&quot;,&quot;ruby&quot;:&quot;n&quot;,&quot;python&quot;:&quot;n&quot;,&quot;redirect_type&quot;:&quot;&quot;,&quot;redirect_path&quot;:&quot;&quot;,&quot;seo_redirect&quot;:&quot;&quot;,&quot;rewrite_rules&quot;:&quot;&quot;,&quot;ssl&quot;:&quot;y&quot;,&quot;ssl_letsencrypt&quot;:&quot;n&quot;,&quot;ssl_state&quot;:&quot;&quot;,&quot;ssl_locality&quot;:&quot;&quot;,&quot;ssl_organisation&quot;:&quot;&quot;,&quot;ssl_organisation_unit&quot;:&quot;&quot;,&quot;ssl_country&quot;:&quot;&quot;,&quot;ssl_domain&quot;:&quot;(hidden)&quot;,&quot;ssl_request&quot;:&quot;-----BEGIN_CERTIFICATE_REQUEST-----(hidden)1Mw | Value: =n-----END CERTIFICATE REQUEST-----&quot;,&quot;ssl_cert&quot;:&quot;-----BEGIN CERTIFICATE-----(hidden)n-----END CERTIFICATE-----&quot;,&quot;ssl_bundle&quot;:&quot;-----BEGIN CERTIFICATE-----(hidden)-----n-----BEGIN CERTIFICATE-----(hidden) n-----END CERTIFICATE-----&quot;,&quot;ssl_action&quot;:&quot;save&quot;,&quot;stats_password&quot;:&quot;&quot;,&quot;stats_type&quot;:&quot;&quot;,&quot;allow_override&quot;:&quot;All&quot;,&quot;apache_directives&quot;:&quot;&quot;,&quot;php_open_basedir&quot;:&quot;/&quot;,&quot;custom_php_ini&quot;:&quot;session.save_handler = redisnsession.save_path = &quot;tcp://127.0.0.1:6379&quot;&quot;,&quot;backup_interval&quot;:&quot;none&quot;,&quot;backup_copies&quot;:1,&quot;backup_excludes&quot;:&quot;&quot;,&quot;active&quot;:&quot;y&quot;,&quot;traffic_quota_lock&quot;:&quot;n&quot;,&quot;php_fpm_use_socket&quot;:&quot;y&quot;,&quot;pm&quot;:&quot;dynamic&quot;,&quot;pm_max_children&quot;:10,&quot;pm_start_servers&quot;:2,&quot;pm_min_spare_servers&quot;:1,&quot;pm_max_spare_servers&quot;:5,&quot;pm_max_requests&quot;:0,&quot;pm_process_idle_timeout&quot;:10,&quot;log_retention&quot;:30,&quot;added_date&quot;:&quot;2018-02-14 17:24:01&quot;,&quot;ssl_key&quot;:&quot;-----BEGIN RSA PRIVATE KEY-----(hidden)-----END RSA PRIVATE KEY-----&quot;,&quot;added_by&quot;:&quot;CPL API&quot;}}<br/> Impact: 54 | Tags: xss, csrf, dt, id, lfi, rfe, sqli<br/> Description: Finds attribute breaking injections including whitespace attacks | Tags: xss, csrf | ID 2<br/> Description: Detects basic directory traversal | Tags: dt, id, lfi | ID 10<br/> Description: Detects JavaScript location/document property access and window access obfuscation | Tags: xss, csrf | ID 23<br/> Description: Detects data: URL injections, VBS injections and common URI schemes | Tags: xss, rfe | ID 27<br/> Description: Detects common comment types | Tags: xss, csrf, id | ID 35<br/> Description: Detects classic SQL injection probings 2/2 | Tags: sqli, id, lfi | ID 43<br/> Description: Detects basic SQL authentication bypass attempts 1/3 | Tags: sqli, id, lfi | ID 44<br/> Description: Detects basic SQL authentication bypass attempts 2/3 | Tags: sqli, id, lfi | ID 45<br/> Description: Detects basic SQL authentication bypass attempts 3/3 | Tags: sqli, id, lfi | ID 46<br/> Description: Detects MySQL comment-/space-obfuscated injections and backtick termination | Tags: sqli, id | ID 57<br/> <br/>​

I can be do something to fix?

Regards,