Plugins and commands gone!

Oh my Gosh! I came to my best server (Manhattan city) and boom! I said . and my name wasnt red (OP)! I wanted to type command "/weather sun" and it said Unknown command! WTF?! Notch didnt aim on this shit... Cooljvargas (Minecraft Expert) I hope you reading this and i hope you will upload stuff! There wasnt even "/warp" command! WTF x2?! mikey1oto or Minecraft Expert read this soon because i really want to go on server and play like real player and op :(
So Long, CaptainCarlo!