So if I understand correctly you have existing wall in which you would like to place a "New" door.
Did you make sure that your door has "New" Renovation Status and the wall "Existing"? It seems to me that "To be demolished" has been applied to the whole wall where you place the door.
Łukasz Pietraszko
ArchiCAD 26 PL, since AC20 | WIN 10 Home
Intel Core i7-7700HQ 2.8 GHz | 16 GB RAM | NVIDIA GeForce GTX 1060 6 GB | 500 GB SSD