Minecraft Comes Alive Not Working

So I've been having this problem for a while where I cant get my server to even start up with Minecraft Comes Alive. I have several other mods on it but that's the only one that has ever caused problems. I put pictures of the error log and the specific line where the error starts (which seems to continue down the lines until the server shuts itself off). This has happened on the 5.3.1 and 6.0.0 beta MCA versions. My server is on version 1.12.2. I've seen a few other people have the same problem but there's never a solution on the thread as to how to fix it. ;-;