ERROR Terminal session AS400

Hi, I m developing robot that need to connect with AS400. For this prupose I’m using IBM ehllapi standard.

I am reciving this error:

Terminal session: There was an error connecting the terminal. Error Code: Error

In the terminal log:
14:01:54.1405 warn EhllapiWrapper.CallEhllApi(1) returned 1
14:01:54.2186 error EhllBridge.Attach error : NotConnected
14:01:54.2499 error System.Exception: Error al adjuntar a la sesión
en UiPath.Terminal.Generic.EHLLApi.EhllTerminal.InitializeEhll(ConnectionData connectionData)
14:01:54.2499 error en UiPath.Terminal.Generic.EHLLApi.EhllTerminal.InitializeEhll(ConnectionData connectionData)
14:01:54.2499 warn EhllapiWrapper.CallEhllApi(2) returned 1
14:01:54.2499 error EhllBridge.Detach error : NotConnected

I should first start the session, I need help,

Thanks,