Can't Connect to server.

[Short Circuit]

Launcher/pack Version: Launcher JAR (0.5.4.8)

Operating System: Win7 (64bit)

Version of Java: JRE 1.7u3 (Win 64bit)

Description of Problem: When I connect to server, I am instantly kicked off, and receive this message:

Error Messages:

"You don't have the following mods:

mod_IC2 v1.72

(The return to title screen blocks One thing)

mod_CompactSolars 1.2

mod_Railcraft 3.4.2

mod_IC2_ChargingBench 1.71-1

mod_DoorFix 1.1.0

mod_CCTurtle 1.3

mod_ComputerCraft 1.3"

Link to pastebin of log: n/a

It is similar to this thread:

http://forums.technicpack.net/index.php/topic,4232.0.html

But the only response to it isn't very helpful.

[KakerMix]

Launcher, Tekkit selected.

Options, manual select. Select 2.1.0|1.1|Latest.

Now try it.

[Short Circuit]

Thanks.