Error connecting to server library volley

I put the desired information in the server and the following error is returned in the toast command Thank you for your help

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error: java.lang.lilegalArgumentException: Request#getParams() returned a map containing a null key or value:(id,null).All keys and values must be non-null

and error Library Volley side : E/Volley: [679] NetworkDispatcher.processRequest: Unhandled exception java.lang.IllegalArgumentException: Request#getParams() or Request#getPostParams() returned a map containing a null key or value: (id, null). All keys and values must be non-null.

java.lang.IllegalArgumentException: Request#getParams() or Request#getPostParams() returned a map containing a null key or value: (id, null). All keys and values must be non-null.



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