Trying to edit achievements of a family-shared game crashes the program

[Steffo99]

The game fails to open, and after displaying a "make sure you own the game" pop-up message, SamRewritten crashes with a message to report the bug on the GitHub repository.

Console log

[S_API] SteamAPI_Init(): Loaded '/home/steffo/.local/share/Steam/linux64/steamclient.so' OK.
[S_API FAIL] SteamAPI_Init() failed; connect to global user failed.An error occurred launching the Steam API. Aborting.
Read pipe encountered fatal error.Read pipe encountered fatal error.