Error 0xC00E0009

Value: -1072824311 | 0xC00E0009 | 3222142985

What does it mean ?

MQ_ERROR_SHARING_VIOLATION  
There is a sharing violation. The queue is already open for exclusive retrieval.
Value: 9 | 0x0009 | 0b0000000000001001

Where does it come from ?

FACILITY_MSMQ  
Microsoft Message Queue (MSMQ)
Value: 14 | 0x00E | 0b00001110

Other Errors for FACILITY_MSMQ