KML file upload on OpenLayers map
EPSG is fixed in Geofile 7.x-2.x
Geofile provides a map formatter for the file field. more instructions


If you don't want to use the new version of Geofile, then go to the module(sites/all/modules/geofile) folder, open geofile.openlayers.inc in a text editor. if 'projection' and 'displayprojection' are assigned just numbers '4326' or '900913' change it to 'EPSG:4326' or 'EPSG:900913'