Pro version doesn’t work in my Tablet

Hi,
pro version don’t work in my tablet in off-line mode only on-line mode. I have the tablet Acer with Android 8.1. I bought it on Friday (30.11). Also I use my smartphone with pro version. Pro version works properly in my smartphone.
Please, help me. Thanks.

I have exactly the same problem. Need to speak to @MemriseMatty @MemriseSupport. Can you please help us?