Cleaned up your code, but it appears you are missing an alias from here "$twitch_name". You will also need to install My json parser v0.2.41
Code:
on $*:TEXT:/^!date(\s@?\w+)?$/iS:#: {
  if ($nick isop $chan) {
    if (!$2) {
      msg $chan $followdate($nick)
    }
    elseif ($twitch_name($remove($2, @))) {
      msg $chan $followdate($v1)
    }
    else {
      msg $chan $nick $+ $chr(44) $remove($2, @) is not a valid user on Twitch. FailFish
    }
  }
  elseif (!$($+(%, followdate_CD., $nick), 2) && !$2) {
    set -eu60 %followdate_CD. $+ $nick On
    msg $chan $followdate($nick)
  }
}

alias followdate {
  var %json = json $+ $ticks, %time, %date
  JSONOpen -uw  %json https://api.twitch.tv/kraken/users/ $+ $1 $+ /follows/channels/ $+ $mid($chan, 2-)
  JSONUrlHeader %json Client-ID avm4vi7zv0xpjkpi3d4x0qzk8xbrdw8
  JSONUrlGet    %json
  %time = $JSON(%json, created_at)
  JSONClose     %json
  if (%time) {
    %date = $TwitchTime(%time)
    return $1 has been following this channel for $duration($calc($ctime - %date), 2) since $asctime(%date, mm dd yy) $+ .
  }
  return $1 is not following the channel.
}


alias -l TwitchTime {
  if ($regex($1-, /^(\d\d(?:\d\d)?)-(\d\d)-(\d\d)T(\d\d)\:(\d\d)\:(\d\d)(?:(?:Z$)|(?:([+-])(\d\d)\:(\d+)))?$/i)) {
    var %m = $Gettok(January February March April May June July August September October November December, $regml(2), 32), %d = $ord($base($regml(3),10,10)), %o = +0, %t
    if ($regml(0) > 6) %o = $regml(7) $+ $calc($regml(8) * 3600 + $regml(9))
    %t = $calc($ctime(%m %d $regml(1) $regml(4) $+ : $+ $regml(5) $+ : $+ $regml(6)) - %o)
    if ($asctime(zz) !== 0 && $regex($v1, /^([+-])(\d\d)(\d+)$/)) {
      %o = $regml(1) $+ $calc($regml(2) * 3600 + $regml(3))
      %t = $calc(%t + %o)
    }
    return %t
  }
}

Last edited by FroggieDaFrog; 04/01/17 05:59 AM.

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