Help/Support App+ not verifying previous purchase

[Garugaroll 9 iPhone 12 Pro Max 14.5.1]

Hello, I had an issue with my app plus purchase.  Before I start, I went ahead and purchased app plus as if I have never had it before just to get back to downloading my games. 
 

Previously, I have downloaded app plus I believe at least two different times with the last one never going through properly. When I attempted to verify an app that I have previously purchased and reactivate my subscription in a claim that I had never purchased it. While I see how that could be, considering the install process, never went through this last time. 
 

I guess what I’m asking is does my previous app plus purchase transition to the new app? Same UID.

[Garugaroll 9 iPhone 12 Pro Max 14.5.1]

Also, still recieving integrity could not be verified issues. I can use sideloady, but I was under the assumption that the new app+ bypasses that. 

[Laxus 814k iPhone 5s 10.3.3]

Did you recently made purchase or purchased long time ago?

[Rook 562.7k iPad Pro (2nd gen) 17.4 Donor]

It's possible that it may have expired by now if the system doesn't restore your old UDID.

[Garugaroll 9 iPhone 12 Pro Max 14.5.1]

Truely, I have not got the app to work at all. Always needs verification. Its ok, ill sideloady