(v)ESC Unkown error : a METR new update issue?

[rpasichnyk]

App update with the fix is out now.

The Definitive Guide to Metr App / Metr Pro

Sorry about that, this bug is already fixed, but app update is still pending in Google Play review. You can get the beta version here https://play.google.com/apps/testing/at.metr.app or wait a bit until v4.28.10 app arrives.