Script does not work after conversion

Hello, I converted the chat script tutorial Marco Polo (Photon). UnityScript From C # to JAVA. For starters, the line
#C :

Code (csharp):

1. photonView.RPC("SendChatMessage", target, chatInput);

must be remplaced by
JAVA :

Code (csharp):

1. PhotonNetwork.photonView.RPC("SendChatMessage", target, chatInput);

Why ?

Then, I get this error with the following code:

"NullReferenceException: Object reference not set to an instance of an object
Boo.Lang.Runtime.RuntimeServices.GetDispatcher (System.Object target, System.String cacheKeyName, System.Type[]"

Code (csharp):

1. function OnGUI(){
2. if (GUILayout.Button("ALL", GUILayout.Height(17)))
3.         SendChat(PhotonTargets.All);
4. }
5.  
6. function SendChat(target:PhotonTargets)    {
7.     PhotonNetwork.photonView.RPC("SendChatMessage", target, chatInput);
8.     chatInput = "";
9. }
10.  
11. @RPC
12. function SendChatMessage(text:String,info:PhotonMessageInfo)    {
13.     AddMessage("[" + info.sender + "] " + text);
14. }
15.  
16. static function AddMessage(text:String)    {
17.     SP.messages.Add(text);
18.     if (SP.messages.Count > 15) SP.messages.RemoveAt(0);
19. }

Thank you.

...Sorry for the name, error handling

 

running into the same problem

 

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