5390: ERROR_MESSAGE_CHECK_EMAIL has duplicate. Removed ERROR_MESSAGE_INVITE_ERRORWHILESENDINGMAIL duplicate.
5389: Some language keys without function. Removed translations ERROR_MESSAGE_CONNECTION_IPAYMENTNOCONNECTION and ERROR_MESSAGE_ERROR_OCCURRED.
5388: Clean up map.php. cleaned up maps
5388: Clean up map.php. Added one dummy entry in map for tests