Black Screen in Lightburn when connect with Splitcam Vitual Camera

Does anyone use IP cam connected to Lightburn via Splitcam Virtual Camera?
I have tried to do it many times for weeks, I can connect my ip cam to Splitcam and it shows in Splitcam normally, but when I tried to choose “Splitcam Vitual Camera” as the device source for camera control section in Lightburn, it’s only Black Screen.
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Now I can use the indirect way, I captured the working area by my IP camera via Splitcam and use Manycam to select Splitcam as its source, then I can bring the live vdo to live burn via Manycam (which use the vdo signal from Splitcam) to show in Lightburn.

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P.S. I cannot connect my IP cam directly to Manycam either.

This problem occurs with OBS Virtual Camera as well.

Please let me know if there’s any solution to connect Lightburn with Splitcam directly. Thank you in advance for any solution or recommendation.