Error 0x8027003E

Value: -2144927682 | 0x8027003E | 2150039614

What does it mean ?

COPYENGINE_E_FAT_MAX_IN_ROOT  
A Fat drive cannot only store and rename a limited number of items on the root.
Value: 62 | 0x003E | 0b0000000000111110

Where does it come from ?

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

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