Steps to reproduce

1. edit article - इस्लाम on anpwiki
2. tap undo, add summary and and again tap undo: https://anp.wikipedia.org/w/index.php?title=%E0%A4%87%E0%A4%B8%E0%A5%8D%E0%A4%B2%E0%A4%BE%E0%A4%AE&diff=22761&oldid=19462&variant=anp

Expected results

• sucessfully reverted or undid edit

Actual results

1. it does not revert or undo edit
2. screenshot: https://commons.wikimedia.org/wiki/File:Revert_error_Wikipedia_Alpha_50565-alpha-2026-01-13.jpg

Stack trace

(Optional logcat output)

Environments observed

App version: *50565-alpha-2026-01-13*
Android OS versions:
Device model:
Device language:**