After navigating from OWL to TI, Edit is Disabled

I created Things Based screens for my object:

In addition to the Quick Create problem I solved here: https://answers.sap.com/answers/13782124/view.html I am having a problem with the TI screen now.

Namely when I click UUID or ID:

it takes me to the TI screen, it shows the correct Item but the edit button is greyed out:

Everything is in read only mode. Yes, field have AssociatedThingType set to SolutionName_TT:

Changing Lock Behavior did nothing.