am trying to deploy a simple processing unit but it is failing and geting the following error, however have tried to check the error online but with no correct answer, please help
[gsm][3/20240] 2019-11-04 11:04:58,011 GSM WARNING [com.gigaspaces.grid.gsm] - Binding GSM to RMI Registry; Caused by: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: [gsm][3/20240] java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: [gsm][3/20240] java.io.InvalidClassException: filter status: REJECTED