requestIntegrityToken() failed

Hello world of helpful people.
I have FP5 running e/OS 2.8.

I have an app (Eventim, a gig ticket app) that fails with a vague message about security errors (duly logged here). I used shizuku to capture logs and this seems to be the smoking gun:

IntegrityService: requestIntegrityToken() failed for uk.eventim.mobile.app.Android error -> DroidGuard failed.

I started reading up and got immersed in the wonderful world of Play Integrity, but there’s a thicket of documentation to get through around Magisk, Zygisk and other things that you need to even install some of the fixes that are available, assuming they’re what I need. I’m now stuck at the fact that I can’t extract a boot image from my FP5 since I don’t have root (chicken and egg as far as I can tell as I need the boot image to enable Zygisk/Magisk which give the root privileges needed for Play Integrity Fix). But maybe this isn’t even what I should be doing?

As much as I like tinkering, I could really use a simple guide that tells me what to do to get past this error. Any pointers?

it is in the /e/.ZIP

Downloads for FP5

  • /e/OS build : U community (Security patch: 2025-01-01)
  • /e/OS build : T official (Security patch: 2025-01-05)
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