So I updated my Direwolf 1.6.4 Server from 1.0.11 to 1.0.12 and my server seems to be running fine, however when I update my client to 1.0.12, and connect to my server it won't let me get onto it and I get this error on my client:
ID 3480 from MOD IC2 is missing
It tells me it logged it but I...