Default [HELP] Safestrap 3.73 / E: Unable to mount "/osh"

My device; Motorola Razr XT910

Safestrap 3.73 gives this error at the end of each transaction.

Quote:
Updating partition details...
E:Unable to mount '/osh'
Please help for a solution.
Bismillahirrahmanirrahim / بِسْــــــــــــــــــمِ اﷲِالرَّحْمَنِ اارَّحِيم