This seems to be caused by Railcraft Tanks and the chunk they are built in.
Try (1) Changing the Coordinates in your player .DAT (2) Deleting your player's .DAT File.
Good Luck
This seems to be caused by Railcraft Tanks and the chunk they are built in.
Try (1) Changing the Coordinates in your player .DAT (2) Deleting your player's .DAT File.
Good Luck