I can't send rpc

Hello I'm trying to mod game and add one rpc game found photon view but rpc don't send. I'm trying rpc secure and normal it's not working. My code:

if (GUI.Button(new Rect(45f, 160f, 90f, 15f), "test"))
{
if (UnityEngine.Object.FindObjectOfType<PhotonView>())
{
UnityEngine.Object.FindObjectOfType<PhotonView>().RPC("testd", PhotonTargets.All, false, new object[0]);
return;
}
UI.dialogWindow.ShowOk("Nope", null);
}
[PunRPC]
private void testd()
{
UI.dialogWindow.ShowOk("KK", null);
GameController.instance.players.localPlayer.buffs.ApplyBuff(BuffId.TOMATO);
}