Same error message as dogstalker:
[Jun 02 17:20:54] Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘wfScanEngine’ does not have a method ‘scan_options’ in /home/aimetruyen/domains/aimetruyens.be/public_html/kroniek/wp-content/plugins/wordfence/lib/wfScanEngine.php on line 126 0