### Steps to reproduce

1. Begin of the insertionHave a project custom field
2. Go to the administration -> System settings -> projects
3. Select the custom field to be column to be displayed in the project lists by default ("SETTINGS FOR PROJECT LISTS")
4. Delete the project custom field
5. Go to the project list

Original error report

1. End of the insertion Upgrade OpenProject to 13.4.0
2. Login
3. Go to project lists from top right menu (or from the button at the botton of the project dropdown)
4. OpenProject display error 500

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/94865/content"> Begin of the insertion

End of the insertion Begin of the deletion



End of the deletion ### What is the buggy behavior?

* The page doesn&#39;t display correctly as before

### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. The list of project displays correctly

###

### **Logs** Begin of the insertion

End of the insertion Begin of the deletion



End of the deletion **In the browser console :**

**<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/94866/content">**

### Environment information

**OpenProject installation type**

* [ ] Hosted cloud edition
* [x] Packaged installation
* Ubuntu 22.04.3 LTS
* [ ] Docker All-in-one container
* [ ] Docker-compose installation
* [ ] Other (please specify)

**OpenProject version**

_13.4.0_

**Browser**

* [x] Chrome
* [x] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)

**Language**

_fr_