Comment 'The block in questio...' to 'unknown control type - why does this appear and how to get rid of it?'

Comment to unknown control type - why does this appear and how to get rid of it?

· Tajrebatee

· 2022-12-15T00:13:57+0000
The block in question (create post) is shown below, can you kindly advise me on how to find it so I can check for the "unknown" field? tnx
- · LeonidS
  
  · In reply to
  
  Tajrebatee
  
  · 2022-12-15T10:00:09+0000
  It locates in the Studio->Forms->Timeline->Write public post area.