### 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 insertionHaveEnd of the insertion Begin of the deletion OpenEnd of the deletion a Begin of the insertiontype with a relatedEnd of the insertion work package Begin of the insertiontable (Admin > Work packages > Types > Form configuration), + Group -> add related tableEnd of the insertion

2. Open Begin of the insertiona work package

3. InEnd of the insertion the Begin of the insertiontop right menu, go to theEnd of the insertion form configuration Begin of the insertionwith "Configure form"End of the insertion

Begin of the insertion4.End of the insertion Begin of the deletion 3.End of the deletion Edit Begin of the insertiontheEnd of the insertion Begin of the deletion anEnd of the deletion related table Begin of the insertionby clicking on "Edit query"

5. Do any edits (doesn't matter what you change) and click on saveEnd of the insertion


### What is the buggy behavior?

_Please describe the bug in as much detail as possible. Example:_

* The work package details screen is opened

* Info: reloading the form configuration resolves the problem


### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. The edit is saved