New data type created through a Document Type gives the error message 'Data type could not be found'

[andr317c]

Which Umbraco version are you using? (Please write the exact version, example: 10.1.0)

15.0.0-rc3

Bug summary

I only get this error the first time I create a new data type, after that, I do not get the error anymore

Specifics

No response

Steps to reproduce

1. Good idea to be on a clean install of Umbraco
2. Click create new Document Type
3. Add group
4. Add property
5. Select a property editor
6. Create new configuration of a property editor
7. Get error message

Expected result / actual result

I would expect not to get any error messages

[nielslyngsoe]

Fixed in umbraco/Umbraco.CMS.Backoffice#2520