wrapper
hold finger down on next push's app icon for 2 seconds > app info > app battery optimization > allow back ground usage
Set to optimized then immediately to unrestricted.
Also under here, go back 1 menu and to mobile data usage, set to unrestricted mobile data usage (if this is okay for you). It likely won't use much.
Try that out first.
If you still have issues, possibly also delete/deregister molly inside of next push then set it up again for molly.