6.1 Error Replies.
401 ERR_NOSUCHNICK
"<nickname> :No such nick/channel"
- Used to indicate the nickname parameter supplied to a
command is currently unused.
402 ERR_NOSUCHSERVER
"<server name> :No such server"
- Used to indicate the server name given currently
doesn't exist.
403 ERR_NOSUCHCHANNEL
"<channel name> :No such channel"
- Used to indicate the given channel name is invalid.
404 ERR_CANNOTSENDTOCHAN
"<channel name> :Cannot send to channel"
- Sent to a user who is either (a) not on a channel
which is mode +n or (b) not a chanop (or mode +v) on
a channel which has mode +m set and is trying to send
a PRIVMSG message to that channel.
405 ERR_TOOMANYCHANNELS
"<channel name> :You have joined too many \
channels"
- Sent to a user when they have joined the maximum
number of allowed channels and they try to join
another channel.
406 ERR_WASNOSUCHNICK
"<nickname> :There was no such nickname"
- Returned by WHOWAS to indicate there is no history
information for that nickname.
407 ERR_TOOMANYTARGETS
"<target> :Duplicate recipients. No message \
delivered"
- Returned to a client which is attempting to send a
PRIVMSG/NOTICE using the user@host destination format
and for a user@host which has several occurrences.
409 ERR_NOORIGIN
":No origin specified"
- PING or PONG message missing the originator parameter
which is required since these commands must work
without valid prefixes.
411 ERR_NORECIPIENT
":No recipient given (<command>)"
412 ERR_NOTEXTTOSEND
":No text to send"
413 ERR_NOTOPLEVEL
"<mask> :No toplevel domain specified"
414 ERR_WILDTOPLEVEL
"<mask> :Wildcard in toplevel domain"
- 412 - 414 are returned by PRIVMSG to indicate that
the message wasn't delivered for some reason.
ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that
are returned when an invalid use of
"PRIVMSG $<server>" or "PRIVMSG #<host>" is attempted.
421 ERR_UNKNOWNCOMMAND
"<command> :Unknown command"
- Returned to a registered client to indicate that the
command sent is unknown by the server.
422 ERR_NOMOTD
":MOTD File is missing"
- Server's MOTD file could not be opened by the server.
423 ERR_NOADMININFO
"<server> :No administrative info available"
- Returned by a server in response to an ADMIN message
when there is an error in finding the appropriate
information.
424 ERR_FILEERROR
":File error doing <file op> on <file>"
- Generic error message used to report a failed file
operation during the processing of a message.
431 ERR_NONICKNAMEGIVEN
":No nickname given"
- Returned when a nickname parameter expected for a
command and isn't found.
432 ERR_ERRONEUSNICKNAME
"<nick> :Erroneus nickname"
- Returned after receiving a NICK message which contains
characters which do not fall in the defined set. See
section x.x.x for details on valid nicknames.
433 ERR_NICKNAMEINUSE
"<nick> :Nickname is already in use"
- Returned when a NICK message is processed that results
in an attempt to change to a currently existing
nickname.
436 ERR_NICKCOLLISION
"<nick> :Nickname collision KILL"
- Returned by a server to a client when it detects a
nickname collision (registered of a NICK that
already exists by another server).
441 ERR_USERNOTINCHANNEL
"<nick> <channel> :They aren't on that channel"
- Returned by the server to indicate that the target
user of the command is not on the given channel.
442 ERR_NOTONCHANNEL
"<channel> :You're not on that channel"
- Returned by the server whenever a client tries to
perform a channel effecting command for which the
client isn't a member.
443 ERR_USERONCHANNEL
"<user> <channel> :is already on channel"
- Returned when a client tries to invite a user to a
channel they are already on.
444 ERR_NOLOGIN
"<user> :User not logged in"
- Returned by the summon after a SUMMON command for a
user was unable to be performed since they were not
logged in.
445 ERR_SUMMONDISABLED
":SUMMON has been disabled"
- Returned as a response to the SUMMON command. Must be
returned by any server which does not implement it.
446 ERR_USERSDISABLED
":USERS has been disabled"
- Returned as a response to the USERS command. Must be
returned by any server which does not implement it.
451 ERR_NOTREGISTERED
":You have not registered"
- Returned by the server to indicate that the client
must be registered before the server will allow it
to be parsed in detail.
461 ERR_NEEDMOREPARAMS
"<command> :Not enough parameters"
- Returned by the server by numerous commands to
indicate to the client that it didn't supply enough
parameters.
462 ERR_ALREADYREGISTRED
":You may not reregister"
- Returned by the server to any link which tries to
change part of the registered details (such as
password or user details from second USER message).
463 ERR_NOPERMFORHOST
":Your host isn't among the privileged"
- Returned to a client which attempts to register with
a server which does not been setup to allow
connections from the host the attempted connection
is tried.
464 ERR_PASSWDMISMATCH
":Password incorrect"
- Returned to indicate a failed attempt at registering
a connection for which a password was required and
was either not given or incorrect.
465 ERR_YOUREBANNEDCREEP
":You are banned from this server"
- Returned after an attempt to connect and register
yourself with a server which has been setup to
explicitly deny connections to you.
467 ERR_KEYSET
"<channel> :Channel key already set"
471 ERR_CHANNELISFULL
"<channel> :Cannot join channel (+l)"
472 ERR_UNKNOWNMODE
"<char> :is unknown mode char to me"
473 ERR_INVITEONLYCHAN
"<channel> :Cannot join channel (+i)"
474 ERR_BANNEDFROMCHAN
"<channel> :Cannot join channel (+b)"
475 ERR_BADCHANNELKEY
"<channel> :Cannot join channel (+k)"
481 ERR_NOPRIVILEGES
":Permission Denied- You're not an IRC operator"
- Any command requiring operator privileges to operate
must return this error to indicate the attempt was
unsuccessful.
482 ERR_CHANOPRIVSNEEDED
"<channel> :You're not channel operator"
- Any command requiring 'chanop' privileges (such as
MODE messages) must return this error if the client
making the attempt is not a chanop on the specified
channel.
483 ERR_CANTKILLSERVER
":You cant kill a server!"
- Any attempts to use the KILL command on a server
are to be refused and this error returned directly
to the client.
491 ERR_NOOPERHOST
":No O-lines for your host"
- If a client sends an OPER message and the server has
not been configured to allow connections from the
client's host as an operator, this error must be
returned.
501 ERR_UMODEUNKNOWNFLAG
":Unknown MODE flag"
- Returned by the server to indicate that a MODE
message was sent with a nickname parameter and that
the a mode flag sent was not recognized.
502 ERR_USERSDONTMATCH
":Cant change mode for other users"
- Error sent to any user trying to view or change the
user mode for a user other than themselves.
Other Links
1. Glossry of IRC terms and abbreviations
2. How to connect to SorceryNet
3. List of IRC Client software
4. Valinor SorceryNet Server Page
4. SorceryNet Main Site
