I'm assuming you have added a "Door" to a CadImage "Window". Yes?
See attached Screen shot:
EDIT: Be sure the Panel insert is set to "glass".
Marc Corney, Architect
Red Canoe Architecture, P. A.
Mac OS 10.15.7 (Catalina)
Processor: 3.6 GHz 8-Core Intel Core i9
Memory: 48 GB 2667 MHz DDR4
Graphics: Radeon Pro 580X 8GB
ArchiCAD 25 (5010 USA Full)