Ok im having some issue with mods atm. And your mod is one i see errors with in log. "it is a great mod btw! I always use it :-)"
https://pastebin.com/ZnKMxbCi
That is link to full error log. It states that icon used multiple times for different sizes basicially. Thats what i see. Could be issue with other mods interfering. So if can let me know a fix i do know how to mod a little. Just not highly skilled yet hehe