Backing up AuthAnvil 2FA v126.96.36.199 produces the following error.
Failed to backup SSO module. Error: running EXE failed with exit code: 100
Backing up SSO module error: running EXE failed with exit code: 100
Exit code 100 actually means that the SSO backup was successful. This error will not display in 2FA v188.8.131.52 or newer versions.