'Error websocket djangochannelsrestframework

I did websocket connection by djangochannelsrestframework library, it connects but when I send some message it gets this error below Error image

Solution 1:^[1]

I can't tell what's exactly wrong if I don't see your code

But in my eyes, it seems like you are passing some data that are not JSON serializable - or maybe passing a set instead of dict

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Solution	Source
Solution 1	MeHDI RH