What are the common errors encountered when using WordPress plugins with MongoDB

1. Class "MongoDB\Driver\Manager" not found: This error typically occurs when the MongoDB PHP driver is not properly installed or configured. It can be resolved by ensuring that the MongoDB PHP driver is installed and configured correctly[1].

2. Database Connection Establishment Error: This error occurs when WordPress cannot establish a connection to the MongoDB database. It can be resolved by checking the MongoDB connection details and ensuring that the database is properly configured[2].

3. Error 404 – Page Not Found: This error occurs when WordPress cannot find a specific page or resource. It can be resolved by checking the page URL and ensuring that the page exists and is properly configured[2].

4. Error 403 – Forbidden Status Code: This error occurs when WordPress does not have permission to access a specific resource. It can be resolved by checking the permissions and ensuring that WordPress has the necessary access[2].

5. Error – “Briefly unavailable for scheduled maintenance. Check back in a minute.”: This error occurs when WordPress is performing maintenance tasks and is temporarily unavailable. It can be resolved by waiting for the maintenance tasks to complete[2].

6. Error 502 – Bad Gateway: This error occurs when WordPress cannot communicate with the MongoDB database. It can be resolved by checking the MongoDB connection details and ensuring that the database is properly configured[2].

7. Auto-upgrade Failure: This error occurs when WordPress fails to upgrade to a new version. It can be resolved by manually upgrading WordPress or checking for any conflicts with plugins or themes[2].

8. Images Not Working: This error occurs when WordPress cannot display images. It can be resolved by checking the image URLs and ensuring that the images are properly configured[2].

9. Connection Time-out: This error occurs when WordPress takes too long to establish a connection to the MongoDB database. It can be resolved by increasing the connection timeout or optimizing the database configuration[2].

10. Parse Error: Unexpected: This error occurs when WordPress encounters an unexpected syntax error. It can be resolved by checking the code for any syntax errors and ensuring that it is properly formatted[2].

11. SSL Errors: This error occurs when WordPress cannot establish a secure connection to the MongoDB database. It can be resolved by ensuring that the MongoDB database is properly configured for SSL connections[2].

12. Frequently Asked Questions: This error occurs when WordPress cannot find a specific FAQ page. It can be resolved by checking the FAQ page URL and ensuring that the page exists and is properly configured[2].

13. Cannot modify header information – headers already sent: This error occurs when WordPress tries to modify header information but headers are already sent. It can be resolved by ensuring that there are no spaces or characters before the opening tags or after the closing tags[4].

14. Call to undefined function: This error occurs when WordPress tries to call a function that does not exist. It can be resolved by checking the function name and ensuring that it is properly defined[4].

15. Allowed memory size exhausted: This error occurs when WordPress runs out of memory. It can be resolved by increasing the memory limit in `wp-config.php` or `php.ini`[4].

These are some of the common errors that can occur when using WordPress plugins with MongoDB. By understanding these errors and their causes, you can better troubleshoot and resolve them to ensure a seamless integration of WordPress and MongoDB.