Error message

Warning: Trying to access array offset on value of type null in tb_megamenu_sync_config() (line 349 of /htdocs/sites/all/modules/tb_megamenu/tb_megamenu.functions.inc).

Warning: Trying to access array offset on value of type null in tb_megamenu_sync_config() (line 370 of /htdocs/sites/all/modules/tb_megamenu/tb_megamenu.functions.inc).