Error 0xC0AA0600

Value: -1062599168 | 0xC0AA0600 | 3232368128

What does it mean ?

E_IMAPI_DF2RAW_WRITE_IN_PROGRESS  
There is currently a write operation in progress.
Value: 1536 | 0x0600 | 0b0000011000000000

Where does it come from ?

FACILITY_IMAPI2  
IMAPI enables the creation of optical media using a variety of file systems. (Burning a disc image, checking media support, etc.)
Value: 170 | 0x0AA | 0b10101010

Other Errors for FACILITY_IMAPI2