Summary of the problem Out of Date client Pack Version 1.3.3 What is the bug? I downloaded FTB Infinity Lite 1.10 and try to run it and it says client out of date. I'm new to MC and have no idea but would love to play this mod. Singleplayer works fine but not multiplayer. Any ideas? Mod & Version I downloaded FTB Infinity Lite 1.10 Version: 1.5.1 Minecraft Version: 1.10.2 (modded) forge-188.8.131.525 Link to log file Is it repeatable? No. Known Fix No fix.