Fix config reading crash

irclog.py

@@ -163,7 +163,7 @@ class Config(dict):
 				if len(channel['ircchannel']) > 200:
 					raise InvalidConfig(f'Invalid channel {key!r} IRC channel: too long')
 				if channel['ircchannel'] in seenChannels:
-					raise InvalidConfig(f'Invalid channel {key!r} IRC channel: collides with channel {seenWebPaths[channel["ircchannel"]]!r}')
+					raise InvalidConfig(f'Invalid channel {key!r} IRC channel: collides with channel {seenChannels[channel["ircchannel"]]!r}')
 				seenChannels[channel['ircchannel']] = key
 
 				if 'path' not in channel: