Board Thread:Questions and Answers/@comment-66.191.240.43-20180718001554/@comment-5815431-20180718015639

Your llibrary is the wrong version. You're using llibrary-1.7.14-1.12.2, which is for Minecraft 1.12, not 1.7.10 (which this mod is for.)

https://minecraft.curseforge.com/projects/llibrary/files/2319767 Get this version of llibrary instead (grey download button, not the green one.)