Error 0xC037001B

Value: -1070137317 | 0xC037001B | 3224829979

What does it mean ?

ERROR_VID_VIRTUAL_PROCESSOR_LIMIT_EXCEEDED  
Cannot add a virtual processor to the partition because the maximum has been reached.
Value: 27 | 0x001B | 0b0000000000011011

Where does it come from ?

FACILITY_USERMODE_VIRTUALIZATION  
User mode virtualization subsystem
Value: 55 | 0x037 | 0b00110111

StackOverflow

Other Errors for FACILITY_USERMODE_VIRTUALIZATION