Flathub crashing after installing

Flathub is crashing after checking the installed apps. On restart the error is " no such ref in remote .... "
Most likely Flathub is crashing dew to missing repo ??
Temp Solution : remove distrobox via terminal

OS/platform: Steam Deck OS

The issue describes a crash in Flathub after installing distrobox on Steam Deck OS, with an error about a missing ref. Start by examining the Flatpak manifest files in the repository to understand the packaging. Look for any runtime dependencies or repository configurations that might be missing. Reproduce the issue in a Steam Deck or similar environment to see the exact crash logs.

Written by the indexing model from the issue text.