V16 Display the error 'No service for type' when adding a thumbnail to a block

[nhudinh0309]

Which Umbraco version are you using?

16.3.0-rc

Bug summary

Display the error 'No service for type' when adding a thumbnail to a block

Specifics

No response

Steps to reproduce

1. Create a new Block List data type
2. Add a thumbnail to a block

Expected result / actual result

The error 'No service for type' is displayed and cannot add a thumbnail.