Error 0x8004050B

Value: -2147220213 | 0x8004050B | 2147747083

What does it mean ?

COLL_E_MAXCONNEXCEEDED  
The maximum number of open provider connections was exceeded.
Value: 1291 | 0x050B | 0b0000010100001011

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

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