Error 0x8004131D

Value: -2147216611 | 0x8004131D | 2147750685

What does it mean ?

SCHED_E_TOO_MANY_NODES  
The task XML contains too many nodes of the same type.
Value: 4893 | 0x131D | 0b0001001100011101

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

Other Errors for FACILITY_ITF