Reboot failure

When I’m leaving the DISK-mode on my precious OP-1 it won’t reboot. Very annoying. Sometimes the changes(created new patchnames and deleted) have occurred and sometimes not. :frowning: Am I doing something wrong? It says : Rev. 0225, 2017/07/17 12:10:00; 8.1.11.1 and FR_OK 11 res == FR_EXIST