From 29f78ae601bd38e4f87d54ea0bd96518ed85f093 Mon Sep 17 00:00:00 2001
From: Griatch <griatch@gmail.com>
Date: Thu, 30 Jan 2020 09:55:18 +0100
Subject: [PATCH] Don't cause exception on unknown telnet disable negotiation.
 Addresses #2044 (but does not yet fix it).

---
 evennia/server/portal/telnet.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/evennia/server/portal/telnet.py b/evennia/server/portal/telnet.py
index 41bb64fe9c..657c59c662 100644
--- a/evennia/server/portal/telnet.py
+++ b/evennia/server/portal/telnet.py
@@ -225,7 +225,11 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
             self.mccp.no_mccp(option)
             return True
         else:
-            return super().disableLocal(option)
+            try:
+                return super().disableLocal(option)
+            except Exception:
+                from evennia.utils import logger
+                logger.log_trace()
 
     def connectionLost(self, reason):
         """