[SOLVED]500 error after latest ISPConfig update

Discussion in 'General' started by Jean-François Questiaux, Mar 31, 2026 at 9:06 AM.

  1. Hi,
    I have a multi-server set up running that has been running for years.
    The master server runs on Debian 11 but after updating from ISP Config 3.3.0 to 3.3.1p1, I have a 500 error when I navigate in the console : the menus on the left column are displayed correctly, but the main window does not change from the one opened upon login and the XHR call (like
    https://my-server.domain:8080/mail/mail_domain_list.php) returns a 500 error.
    This is the first time I have a problem after updating ISPConfig and I have no idea how to fix this.
     
  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Please check the Apache or Nginx error.log to see why you get that error.
     
  3. Well, I updated the PHP version on the master server to PHP 8.3 and that seemed to solve the issue. I can navigate again the menus and change settings.
    However the server actions does not work and the job queue is stuck. I'll see how I can debug this.
     
  4. Everything seems to be normal again. The PHP update did the job.
    Sorry for the false call and thanks for your reply.
     

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