Hello. I tried to install Reforged-Integration along with Thaumcraft, and it seems to have a problem:

crash-2016-06-12_21.54.02-client.txt

You need the Version 0.7-pre1 of Reforged (You used 0.6.1). Since Reforged Integration 0.2, this is the minimum needed Version.

P.S.: I don't recommend using the 0.7-pre2, because it is VERY buggy...

This was indeed the issue. Thank you for your assistance.

No problem ^^