Hi, I have the same problem. I try to debug but it's very difficult.I can reproduce problem each time and I think I isolate the problem with this backtrace. I just dump the last line. The other are the same of sequence #62 to #67 :....#62 DynamicFormEntryAnswer->getValue() called at #63 DynamicFormEntryAnswer->toString() called at #64 DynamicFormEntryAnswer->__toString() called at #65 FormField->getAnswer() called at #66 SelectionField->getChoices() called at #67 SelectionField->to_php(, ) called at #68 DynamicFormEntryAnswer->getValue() called at #69 DynamicFormEntryAnswer->toString() called at #70 DynamicFormEntryAnswer->__toString() called at #71 FormField->getAnswer() called at #72 SelectionField->getChoices() called at #73 SelectionField->to_php(, ) called at #74 DynamicFormEntryAnswer->getValue() called at #75 DynamicFormEntryAnswer->getSearchable() called at #76 MysqlSearchBackend->IndexOldStuff(Array ( => 1), )#77 call_user_func_array(Array ( => MysqlSearchBackend Object ( => 60, => ost__search), => IndexOldStuff), Array ( => Array ( => 1), => )) called at #78 Signal:(cron, Array ( => 1)) called at My request is just a request on autocron.php modified to disable image output$ curl -v -H "Cookie: OSTSESSID=............" http://osticket/scp/autocron2.phpIs there someone who can explain this backtrace ?