Error 0xC026251B

Value: -1071241957 | 0xC026251B | 3223725339

What does it mean ?

ERROR_GRAPHICS_OPM_SESSION_TYPE_CHANGE_IN_PROGRESS  
The method failed because the session is changing its type. No IOPMVideoOutput methods can be called when a session is changing its type. There are currently three types of sessions: console, disconnected and remote.
Value: 9499 | 0x251B | 0b0010010100011011

Where does it come from ?

FACILITY_GRAPHICS  
Graphics drivers
Value: 38 | 0x026 | 0b00100110

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