What does HRESULT 0x803D0003 (WS_E_INVALID_OPERATION) mean?

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Description:

the requested Windows Web Services operation is not valid in the object state.

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WS_E_NUMERIC_OVERFLOW	WS_E_OPERATION_ABORTED

WS_E_INVALID_OPERATION

WS_E_INVALID_OPERATION is a Windows Web Services API HRESULT. It means that the requested call is not allowed for the current state of the channel, listener, reader, writer, or other Windows Web Services object.

What to check

Trace the object state transitions and verify that calls occur in the sequence required by the API.
Check that open, receive, send, close and reset operations are not racing across threads.
Create a new object or reset the current one only where the documented lifecycle permits it.

Microsoft documentation

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