go into your mirc directory [C:\Users\ME\AppData\Roaming\mIRC] and see if there is a reglist.txt there. If not, make one and add their names manually [one name every line]
ex:
reglist.txt:
theyoungergamer
paintballbot
name1
name2

#imAbeginner
i made a chat bot for mark_paintball! http://twitch.tv/mark_paintball