Error 0x8AC70004

Value: -1966669820 | 0x8AC70004 | 2328297476

What does it mean ?

XACTENGINE_E_NONOTIFICATIONCALLBACK  
No notification callback.
Value: 4 | 0x0004 | 0b0000000000000100

Where does it come from ?

FACILITY_XACTENGINE  
Microsoft Cross-Platform Audio Creation Tool (XACT)
Value: 2759 | 0xAC7 | 0b101011000111

Other Errors for FACILITY_XACTENGINE