Index: /issm/trunk-jpl/src/c/shared/Exp/exp.h
===================================================================
--- /issm/trunk-jpl/src/c/shared/Exp/exp.h	(revision 21034)
+++ /issm/trunk-jpl/src/c/shared/Exp/exp.h	(revision 21035)
@@ -80,5 +80,5 @@
 	/*open domain outline file for reading: */
 	if ((fid=fopen(domainname,"r"))==NULL){
-		_error_("could not find domain file " << domainname); 
+		_error_("could not find file \"" << domainname<<"\". Make sure that the file and path provided exist."); 
 	}