### Steps to reproduce

_Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

1. Begin of the insertionGiven a work package (A) that is manually scheduled and has due and start date
2. Given a predecessor (B) to that manually scheduled work package (A) which's due date is after it's successor's (A) start date. 
3. End of the insertion Go to a work package with the permission to create child work packages
1. Begin of the insertione.gEnd of the insertion Begin of the deletion Currently onlyEnd of the deletion reproducible on [https://community.openproject.org/projects/openproject/work\_packages/26448/relations](https://community.openproject.org/projects/openproject/work_packages/26448/relations))
Begin of the insertion4.End of the insertion Begin of the deletion 2.End of the deletion Click to create a new child work Begin of the insertionpackageEnd of the insertion Begin of the deletion package End of the deletion
Begin of the insertion5.End of the insertion Begin of the deletion 3.End of the deletion Fill out the subject
Begin of the insertion6.End of the insertion Begin of the deletion 4.End of the deletion Click on "Create"

### What is the buggy behavior?

_Please describe the bug with as most details as possible. Example:_

* Begin of the insertionNothing happensEnd of the insertion Begin of the deletion The child is not createdEnd of the deletion

### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. The child is created

### **Logs**

[https://appsignal.com/openproject-gmbh/sites/62b06dacd2a5e41321946fcf/exceptions/incidents/226](https://appsignal.com/openproject-gmbh/sites/62b06dacd2a5e41321946fcf/exceptions/incidents/226)