Try use this code:

NOTE: Reconnect the bot to the server after you paste the new code.

Code:
alias sub_reset { set %sub 0 | set %resub 0 }

ON *:CONNECT: { .timer[RESET_SUBS] 23:59 1 0 sub_reset }
ON *:TEXT:*:#: {
  if ($nick !== twitchnotify) { return }
  if ($3 == to) || ($4 == to) { return }
  if ($5 == months) {
    inc %resub 1
    msg # /me - $1 thank you for the $4 months of support. - [New Subs Today: %sub $+ ] and [Resubs: %resub $+ ] [Total: $calc(%sub + %resub) $+ ]
  }
  if ($2 == just) {
    inc %sub 1
    msg # /me - $1 thank you for subscribing, please enjoy your emotes to use all across Twitch. - [New Subs Today: %sub $+ ] and [Resubs: %resub $+ ] [Total: $calc(%sub + %resub) $+ ]
  }
}