Error 0x80270034

Value: -2144927692 | 0x80270034 | 2150039604

What does it mean ?

COPYENGINE_E_EA_NOT_SUPPORTED  
Volume does not support Extended Attributes
Value: 52 | 0x0034 | 0b0000000000110100

Where does it come from ?

FACILITY_SHELL  
User Shell
Value: 39 | 0x027 | 0b00100111

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