diff --git a/elab_net.cc b/elab_net.cc
index 4608a7da4..e175efeea 100644
--- a/elab_net.cc
+++ b/elab_net.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_net.cc,v 1.109 2003/03/10 23:40:53 steve Exp $"
+#ident "$Id: elab_net.cc,v 1.110 2003/03/26 06:16:38 steve Exp $"
 #endif
 
 # include "config.h"
@@ -1307,7 +1307,7 @@ NetNet* PEIdent::elaborate_net(Design*des, NetScope*scope,
 	    verinum*mval = msb_->eval_const(des, scope);
 	    if (mval == 0) {
 		  cerr << msb_->get_line() << ": error: unable to "
-			"evaluate constant expression: " << *msb_ <<
+			"evaluate constant MSB expression: " << *msb_ <<
 			endl;
 		  des->errors += 1;
 		  return 0;
@@ -1316,7 +1316,7 @@ NetNet* PEIdent::elaborate_net(Design*des, NetScope*scope,
 	    verinum*lval = lsb_->eval_const(des, scope);
 	    if (lval == 0) {
 		  cerr << lsb_->get_line() << ": error: unable to "
-			"evaluate constant expression: " << *lsb_ <<
+			"evaluate constant LSB expression: " << *lsb_ <<
 			endl;
 		  delete mval;
 		  des->errors += 1;
@@ -2279,6 +2279,9 @@ NetNet* PEUnary::elaborate_net(Design*des, NetScope*scope,
 
 /*
  * $Log: elab_net.cc,v $
+ * Revision 1.110  2003/03/26 06:16:38  steve
+ *  Some better internal error messages.
+ *
  * Revision 1.109  2003/03/10 23:40:53  steve
  *  Keep parameter constants for the ivl_target API.
  *
diff --git a/elaborate.cc b/elaborate.cc
index c103805c8..3b8281730 100644
--- a/elaborate.cc
+++ b/elaborate.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elaborate.cc,v 1.276 2003/03/06 00:28:41 steve Exp $"
+#ident "$Id: elaborate.cc,v 1.277 2003/03/26 06:16:38 steve Exp $"
 #endif
 
 # include "config.h"
@@ -656,8 +656,9 @@ void PGModule::elaborate_mod_(Design*des, Module*rmod, NetScope*scope) const
 						    prts_pin_count,
 						    0, 0, 0);
 		  if (sig == 0) {
-			cerr << "internal error: Expression too complicated "
-			      "for elaboration." << endl;
+			cerr << (*pins)[idx]->get_line()
+			     << ": internal error: Port expression "
+			     << "too complicated for elaboration." << endl;
 			continue;
 		  }
 	    }
@@ -2498,6 +2499,9 @@ Design* elaborate(list<const char*>roots)
 
 /*
  * $Log: elaborate.cc,v $
+ * Revision 1.277  2003/03/26 06:16:38  steve
+ *  Some better internal error messages.
+ *
  * Revision 1.276  2003/03/06 00:28:41  steve
  *  All NetObj objects have lex_string base names.
  *