Error 0x8011080E

Value: -2146367474 | 0x8011080E | 2148599822

What does it mean ?

COMADMIN_E_USER_IN_SET  
One or more users are already assigned to a local partition set.
Value: 2062 | 0x080E | 0b0000100000001110

Where does it come from ?

FACILITY_COMPLUS  
COM+
Value: 17 | 0x011 | 0b00010001

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