Index: ../trunk-jpl/src/c/classes/IoModel.cpp
===================================================================
--- ../trunk-jpl/src/c/classes/IoModel.cpp	(revision 23318)
+++ ../trunk-jpl/src/c/classes/IoModel.cpp	(revision 23319)
@@ -2510,7 +2510,9 @@
 
 	/*recover my_rank:*/
 	my_rank=IssmComm::GetRank();
-	_assert_(strncmp(data_name,mddot,3)==0);
+	if(strncmp(data_name,mddot,3)!=0){
+		_error_("Cannot fetch \""<<data_name<<"\" does not start with \""<<mddot<<"\"");
+	}
 
 	/*Go find in the binary file, the position of the data we want to fetch: */
 	if(my_rank==0){