Server says i need mods

[NotchFan]

Launcher Version: 3.1.1

Operating System: Windows 7 ultimate Intel core

Java Version: Java 7 update 1

Antivirus Program: Avast

Description of Problem:

I'm in the version 3.1.1 and my server says i need mods Do i have to del somthing?

Error Messages:

Mod_ICE2 V1.97

Mod_EE 1.4.6.5

Mod_ImmbibisCore 49.1.1

Mod_CompactSolars 2.3.2

And some other

Error Log:

[Torezu]

You're not in client version 3.1.1 - it's a manual install right now.

[NotchFan]

You're not in client version 3.1.1 - it's a manual install right now.

Tekkit.Launcher>Options>Manual Section> 3.1.1

[NotchFan]

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