I was trying to connect to my testserver with a large modpack. After the first try the console was spammed like hell and I got a disconnect. With the second try I was able to connect.

Currently I am NOT sure if this problem was caused by AS but the serverlog was pointing to it.

Client Log: http://terpo.org/blog/upload/mc/connection.txt
STRG+F for "Disconnected from server. Cleaning client cache"
Timestamp: 15:40:34

Server: https://gist.github.com/Terpo/909ff4eccaff8039e2ec82785f285990
Timestamp: 15:40:32

Current modlist: https://gist.github.com/Terpo/3f7271ed331422870929a244379d6d03
forge 2296

You might also wanna post this at DynamicSurroundings' issue tracker since like 99.999% of the errors are from that.
And as for the issue on my end: will look that up and fix it for the next version.

This could also be caused by myself (AS related) because I forgot to add the CraftTweaker scripts to my new client instance.
edit: Tested it again with the scripts and a server restart. Error still there ;)

Can you tell me where you found the information for InitialInventory? Timestamp would be enough, then I may open an issue there.

Not necessarily his issue, it just happens because he calls something eariler than i'd expect. Nothing too dramatic, i can work around that - as i did.

I will call you if the problem still exists with the new build ;).

Please do.

Updated my server and client. First test without problems.

Seems good

Problem originates from InitialInventory by the way.