### **Environment**:

Your OpenProject Version: Current

Operating System / Browser / Language: Any

### **Logs**


\* derivedStartDate is before to Begin of the insertionstartDate

End of the insertion Begin of the deletion startDate 

End of the deletion **Steps to reproduce:**

1. On Gantt Begin of the insertionchart:End of the insertion Begin of the deletion chart on the BCF module:End of the deletion
1. Drag a child wp of type task entirely before the start date of the parent.
2. Drag a child wp of type task entirely after the end date of the parent.

* Begin of the insertionSometimes it doesn't happen. It's kind of aleatory,End of the insertion I Begin of the insertioncouldn't findEnd of the insertion Begin of the deletion could only reproduceEnd of the deletion the Begin of the insertionpattern.End of the insertion Begin of the deletion issue on the BCF module.End of the deletion

### **Actual Behavior**

There is a mismatch between the derived dates and the start and end Begin of the insertiondate.End of the insertion Begin of the deletion date. End of the deletion

### **Expected Behavior**

Parent work packages on "Automatic Scheduling" mode should fit its start and end date to its derivedDates.