**QA system**

- Core version: 3.0.0pre35
- preview.openproject.org version: 5.0.pre22

**Actual behavior**

- Project members are displayed multiple times in the same role in the project overview page (even tough they are not part of a group).

**Expected behavior**

- Project member should be only once displayed in the assigned role on the overview page.

**Preconditions**

- Members are added to group.
- [Example where error occurs](https://preview.openproject.org/projects/copy-3)

**Steps to reproduce**

1. Go to project overview page.
2. Project members are displayed multiple times.
3. ([Example where error occurs](https://preview.openproject.org/projects/copy-3))

**Screenshot**
 Begin of the deletion
End of the deletion