Android in app purchases broke from UE5.2 to 5.4

In app purchases were working flawlessly in UE5.2 using the following blueprint.

However in 5.4, i cant get them to work. I tried both start in app purchase As well as make an in app purchase (red and blue):

However the payment dialogue doesn’t show and the on failure node fires.

I need a professional to help find the problem urgently and willing to pay anyone who helps me diagnose the problem.

Hello, there is no solution at the moment, except using the source engine.

This bug exists since 1.5 year and Epic refuses to fix it.