msProcessProjection(): no options found in 'init' file
Error displayed when attempting to use a specific projection.
The message tells you that the projection you're trying to use isn't defined in the epsg file. Open your epsg file in a text editor and search for your projection to make sure that it exists.
On Windows, the default location of the epsg file is c:\proj\nad. MS4W users will find the epsg file in \ms4w\proj\nad.
This Error Reference applies to: MapServer 4.0, MapServer 4.2, MapServer 4.4, MapServer 4.6, MapServer 4.8