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aerror

  1. M

    mount -uw fails with aerror 66 what to do?

    so i am running mac os 11 beta on a macbook2016. i open the terminal and type sudo mount -uw / to mount the system volume with write access. bud then i just get an aerror 66 is there anything i can do to be able to write to the systemvolume again? i also have sib and sib root authentication...