[MX39]

I got the same message!
I tried to install AB2 on PlayStore, which quits installing/downloading on a random point of the process. Therefor I tried to install it using the apk- and obb-files.
But it seems like the obb-file doesn’t get installed.

Sadly I can’t just uninstall and install it again, because it’s not downloading the official version on PlayStore.
Any Ideas on how to fix it?