CUBA unique attribute on child class of joined inheritance not supported

I have

  • Contact class with joined inheritance
  • Counterpart class extending Contact
  • Customer extending Counterpart
  • field ‘code’ in Customer I would like to be unique

Why is CUBA studio does not allow me to tick the ‘unique’ checkbox for the ‘code’ field ?

Hi Michael,
your question is answered here: CUBA unique attribute on child class of joined inheritance not supported - Stack Overflow