Convert map 3.0.4 to 3.1.1

[jetmistro]

Title: Convert map 3.0.4 to 3.1.1

Version: 3.0.3/3.0.4

OS: windows 7

Java Version: 7 (i think)

Description of Problem:

Sorry if this is the wrong thread but i need someone to convert a map from 3.0.4 to 3.1.1 please when i try it in single player it crashes Btw it is a multiplayer map

Error Messages:

Error Log:

[HalibutBarn]

Conversion shouldn't be needed, as nothing affecting the world data changed between those versions. It may be something that only affects single-player, which isn't officially supported for Tekkit anyway. (And it would be easier to tell with the client log.)