**Minecraft Version: 1.7.10
**Inventory Tweaks Version: 1.59 dev 152

janagyjr/tcgs-chillpack#3

I've been searching this out and those with the same bug report seem to have had an issue with Inventory Tweaks (related thread here), however, there is no other version for 1.7.10.

1.7.10 is not supported, please re-open if you have issues with 1.12.2