Error 0x80045388

Value: -2147200120 | 0x80045388 | 2147767176

What does it mean ?

FSRM_E_FILE_MANAGEMENT_JOB_RMS  
Cannot protect a file while running a file management task.
Value: 21384 | 0x5388 | 0b0101001110001000

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

StackOverflow

Other Errors for FACILITY_ITF