1. You should post questions relating to StarForge at the official forums:
http://teamse.x-boxnight.com
2. When reporting a run-time error, you should include the error
message and not just the error number.
3. When reporting
any error, you
must specify exactly
when the error happens. For example: When starting the program, when opening a map, when creating a new map, etc.
This error occurs when StarForge cannot find a specified file. If the error message included a filename, it should give you a big clue about what went wrong. In any case, you probably installed it incorrectly.
This problem is listed in the common problems (with easy solutions) in the StarForge troubleshooting thread (link below).