Error 0x803380DE

Value: -2144108322 | 0x803380DE | 2150858974

What does it mean ?

ERROR_WSMAN_CLIENT_UNENCRYPTED_DISABLED  
The WinRM client cannot process the request. Unencrypted traffic is currently disabled in the client configuration. Change the client configuration and try the request again.
Value: 32990 | 0x80DE | 0b1000000011011110

Where does it come from ?

FACILITY_WINRM  
Windows Resource Manager
Value: 51 | 0x033 | 0b00110011

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