### Steps to reproduce

1. Begin of the insertionGo to a projects and enable the "Documents" module

2. Go to Documents

3. Change the grouping criteria with the radio options in the sidebarEnd of the insertion Begin of the deletion Unclear, AppSignal errorEnd of the deletion


### What is the buggy behavior?

* Begin of the insertionWhen choosing anything other than "Category", there is anEnd of the insertion Begin of the deletion Unclear, AppSignalEnd of the deletion error


### What is the expected behavior?

1. Begin of the insertionGrouping should workEnd of the insertion Begin of the deletion Unclear, AppSignal errorEnd of the deletion


### **Logs**

```text
undefined method 'name' for an instance of Date
```

```text
modules/documents/app/views/documents/index.html.erb:62
modules/documents/app/views/documents/index.html.erb:61 Array#each
modules/documents/app/views/documents/index.html.erb:61
```

### AppSignal references

https://appsignal.com/openproject-gmbh/sites/6813715a55b0b20ed373597c/exceptions/incidents/834