A 500 Internal Server Error usually indicates a problem with the website application or server configuration.
Check the following:
- PHP version compatibility.
- PHP extensions.
.htaccessconfiguration.- File permissions.
- Database credentials.
- Application configuration.
- Website/application logs.
- Recently installed plugins or software.
If the error started immediately after a change, undo the change or restore a known-good backup.
If the issue continues, contact NexPK support and provide the exact error and affected domain.