This seems to be used in Solanum and oftc-hybrid. Solanum calls it as such:
include/messages.h:#define NUMERIC_STR_415 "%s :Cannot send message to channel (+R) - you need to be logged into your NickServ account"
include/numeric.h:#define ERR_MSGNEEDREGGEDNICK 415
This seems to be used in Solanum and oftc-hybrid. Solanum calls it as such: