Website configured on Plesk server shows Error 504: Maximum execution time of 30 seconds exceeded

Symptoms

• CMS-based website is showing 504 Gateway Time-out error

• Website loading endlessly

Cause

Insufficient PHP max_execution_time value. The following errors may be found in Domains > example.com > Logs:

CONFIG_TEXT: PHP Fatal error: Maximum execution time of 30 seconds exceeded in C:\Inetpub\vhosts\example.com\httpdocs\wp-includes\wp-db.php on line 2007

Resolution

1. Log in to Plesk GUI

2. Increase the max_execution_time in Domains > example.com > PHP Settings:
   
   

Note: If increasing value does not help, contact website developers to investigate website code.