kaicraft123

I just made a new voltz hamachi server for me and my friends but when I tried to join it said Forge Mod Loader has found world ID mismatches ID 343 is mismatched. World: (ModID: Minecraft, type uv, ordinal 2) Game (ModID: Railcraft, type rc.item.cart.furnace, ordinal 2) ID 342 is mismatched. World: (ModID: Minecraft, type uv, ordinal 1) Game (ModID: Railcraft, type rc.item.cart.chest, ordinal 1) ID 348 is mismatched. World: (ModID: Minecraft, type uv, ordinal 0) Game (ModID: Railcraft, type rc.item.cart.basic, ordinal 0) You cannot connect to this server please help I REALLY want to play with them on this :(

Title: world ID mismatch Version: 0.5.1 OS: windows 7 Java Version: java 7 Description of Problem: i tried to make server for me and my friends to play but every time i tried to join to test it this error message comes up ps. ive made servers before so i have no idea what this is Error Messages: Forge Mod Loader has found world ID mismatches ID 343 is mismatched. World: (ModID: Minecraft, type uv, ordinal 2) Game (ModID: Railcraft, type rc.item.cart.furnace, ordinal 2) ID 342 is mismatched. World: (ModID: Minecraft, type uv, ordinal 1) Game (ModID: Railcraft, type rc.cart.chest, ordinal 1) ID 328 is mismatched. World: (ModID: Minecraft, type uv, ordinal 0) Game (ModID: Railcraft, type rc.item.cart.basic, ordinal 0) You cannot connect to this server Error Log:

Title: tekkit crashing while starting up Version: 3.0.3/3.0.4 OS: windows 7 ver Java Version: JRE 1.7u4 (Win 32bit) Description of Problem: when i login with Tekkit it goes on the mojang screen as usual and then crash on a white screen im only a bigginer with this so i can understand programing talk sorry:( Error Messages: Error Log: