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Launcher Version: 1.0.1.3 Operating System: Windows 7 home premium Java Version: 7.050.6 Antivirus Program: Microsoft security essentails and avg Description of Problem: After downloading spoutcraft through the technic launcher, when I opened my tekkit world I found all non-vanilla blocks to have completely vanished from the game and NEI. This occurs in all tekkit worlds but no other modpacks have been affected as far as I know. Error Messages: None Error Log: Many Errors and other things saying [sEVERE] such as "error: entityId cannot be greater than 255. [17:28:33] [sEVERE]"