Steps to Reproduce:
- Go to Content > Forms > Data Providers
- Add a new data provider
- Add a form
- Add a Select from List field
- Configure field to "Create List" > "From Data Provider"
- Choose the previously added data provider and output parameter
- Save form
- Go back
- Go to Data Providers
- Attempt to Delete the created Data Provider
Data provider cannot be delete because it is referenced by a Form.
Data provider can be deleted.