error while reporting post

[Barteken]

Fatal error: Existing data passed is not an array
Called set_existing in /customers/swalus-productions.be/swalus-productions.be/httpd.www/includes/class_dm_threadpost.php(939) : eval()'d code on line 3
Called eval in /customers/swalus-productions.be/swalus-productions.be/httpd.www/includes/class_dm_threadpost.php on line 939
Called post_save_each in /customers/swalus-productions.be/swalus-productions.be/httpd.www/includes/class_dm.php on line 823
Called save in /customers/swalus-productions.be/swalus-productions.be/httpd.www/report.php on line 229
in /includes/class_dm.php on line 235

Someone knows how i can solve this error? (it shows up when someones tries to report a post or thread)

Bart

[Guest190829]

Seems to be a third modification causing the error. Do you have any modification that affect the report functionality? Disable any recent products you've installed and find out which one is the culprit.