This error can occur in several cases:
The error is caused by a PHP script that is responsible for importing data to the site. Hosting installed
script execution time limitequal to 30 seconds. The script does not fit into the allotted time, as a result of which you can see the error "405 Not Allowed". In this situation, there may be several solutions:
When making POST requests, this error can also occur. In most cases, this will be visible in the server logs. The problem is that the file extensions you are trying to call in the script must be handled directly by Apache. In this case, you will need to remove these extensions (not all, but only those that directly interfere with the correct operation of the script) from
list of static files.