In this post, you’ll learn more about the Error RPC_E_CLIENT_CANTMARSHAL_DATA – 0x8001000B that is returned when working with the COM-based APIs in Win32
Win32 COM Error
RPC_E_CLIENT_CANTMARSHAL_DATA – 0x8001000B
Win32 COM Error Error Description
The client (caller) cannot marshal the parameter data – low memory, etc.