[SOLVED] V7.0.0 Error on planning calcul - by: pipobru

When i use a manual calcul on a specific project il have this error in log:
2018-03-23 08:38:05.279 ***** ERROR ***** [V7.0.0] ERROR *****
2018-03-23 08:38:05.279 ***** ERROR ***** [V7.0.0] on file '/var/www/html/model/PlannedWork.php' at line (1098)
2018-03-23 08:38:05.279 ***** ERROR ***** [V7.0.0] cause = Undefined property: PlanningElement::$_profile

Thanks