This article will guide you on different ways to resolve #ISPConfig 500 internal server #error and also you will learn about some factors that triggers this error such as exceeded MaxRequest value or PHP-fpm issue.
The HyperText Transfer Protocol (#HTTP) #500 Internal Server Error server error response code indicates that the server encountered an unexpected condition that prevented it from fulfilling the request. Usually, this indicates the server cannot find a better 5xx error code to response.
The 500 internal server error runs on every page of your site when there's a problem with the server or file system that's powering your site.
The cause most likely occurs in the root directory, where your WordPress files are, but it can also be caused by a problem on your host's server.
To Resolve 500 Internal Server Error:
1. Debugging the Issue. The first step is to make sense of the situation and try to make sense of the error.
2. Check if the Admin Works.
3. Revert Recent Changes.
4. Audit Your #Plugins/Extensions/Modules.
5. Check File Permissions.
6. Increase PHP #Memory Limit.