### Steps to reproduce

1. Create a template project with Begin of the insertionPIR enabled.

2. AddEnd of the insertion Begin of the deletion aEnd of the deletion work package type Begin of the insertionwithEnd of the insertion Begin of the deletion havingEnd of the deletion a required custom Begin of the insertionfield to the project.End of the insertion Begin of the deletion field.End of the deletion

Begin of the insertion3. Configure the PIR Request submission tab "Work package type" with the work package type from stepEnd of the insertion 2. Begin of the insertion

4.End of the insertion Go to the creation wizard "/<project\_id>/creation\_wizard"

Begin of the insertion5.End of the insertion Begin of the deletion 3.End of the deletion Save the creation wizard.


### What is the buggy behavior?

* The wizard is not saved and it has an error message:

* "Failed to create artifact work package Begin of the insertion

<br>

End of the insertion Begin of the deletion
End of the deletion CF DEV string req can&#39;t be blank.&quot;


### What is the expected behavior?

1. Ignore the required custom field and save the wizard.

2. An email should have been sent to that user


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### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/914171/content">

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