Cannot connect to server because of BungeeCord 1.8?!

Cannot connect to server because of BungeeCord 1.8?!
Added (1). Whenever I attempt to connect to a minecraft server such as Mineplex it says that it is an outdated server and next to the server name it has a red cross like when there is no internet but next to the cross it says in red BUNGEECORD 1.8. WHAT DO I DO?

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