**Preconditions**

- Work package module activated.
- Custom field of type “Long text” activated in project and assigned to type.

**Steps to reproduce**

1. Go to work package list and display custom field of type “Long text”.
2. Look at column. Begin of the insertion-\> Error
3. Click and enter value.End of the insertion

**Actual behavior**

- JSON is displayed.
- When clicking on field to edit -\> \[object\]\[object\] is displayed. Begin of the insertion
- Value not saved.End of the insertion

**Expected behavior**

- No JSON etc. displayed. Begin of the insertion
- Value saved.End of the insertion

**Screenshot**
 Begin of the insertion
End of the insertion

**QA system**

- qa.openproject-edge.com
- OpenProject 5.1.0