Server Crashing [MultiCraft]

[H0neyB4dgerz]

I need help because i changed my mod to tekkit 3.1.3

and whenever i take a tekkit item out of creative it crashes

and when i try to take an item out of tooManyITems it says "unknown item id:"id"

Please someone help!

[Dippy Pants]

You simply don't update to Tekkit Classic 3.1.3

I've had many bugs with 3.1.3 so I 'downdated' to 3.1.2

Cheers