izap_elge_bridge error

By pee77

Running elgg 1.8.4, anytime a user logs in, post a comment, joins a group etc the error message below appears.

Please how can this be resolved?

Fatal error: Unsupported operand types in /home/successl/public_html/dating/mod/izap-elgg-bridge/classes/IzapAntiSpam.php on line 53