I have the same issues with FOSS 7.1 from F-Droid (sudden app crash and no zoom) running on both Motorola Surnia with LOS 14.1 and Magisk 7.5.1 and Samsung Galaxy Tab S2 8" (gts28vewifi) with LOS 16.0 and Magisk 7.5.1.
That's what Logcat said d...
Do you have a SD card set as internal memory ? If so take it out and try again.
No, I don't.
I tried a lot to encrypt my phone with the recent build:
clean flash recent build and thean start encryption without success
dirty flash from ol...