Internal Server Error after deleting the repository from user profile

> [!NOTE]
> Migrated from [augurlabs/augur#2909](https://github.com/augurlabs/augur/issues/2909)
> Originally opened by `@wpotrzebowski` on 2024-09-13

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**Description:**
Internal server error is thrown after Delete (and Confirm) repository. Despite the error, it works as expected and repository is removed.

**How to reproduce:**
1. Go to Profile/Repos on https://ai.chaoss.io/user/group/
2. Click on Delete
3. Click on Confirm
4. Observe the bug

**Screenshots**

**Software versions:**
- Augur: https://ai.chaoss.io/
- OS: macOS 14.3
- Browser: Safari