On my interior door from the kitchen to the garage I have a sticky resin that keeps coming back. I have painted and primed but it keeps coming back. How do I solve this problem?

Bought this home that has archways leading into my living room. It had been previously painted. Wanted to repaint. After applying the paint I noticed that it had bubbles. I touched it and the paint just came off. It is peeling. It appears that the archway is made up of