Index: trunk/src_plugins/io_lihata/read.c
===================================================================
--- trunk/src_plugins/io_lihata/read.c	(revision 31119)
+++ trunk/src_plugins/io_lihata/read.c	(revision 31120)
@@ -2,7 +2,7 @@
  *                            COPYRIGHT
  *
  *  pcb-rnd, interactive printed circuit board design
- *  Copyright (C) 2016, 2017, 2018, 2019 Tibor 'Igor2' Palinkas
+ *  Copyright (C) 2016..2020 Tibor 'Igor2' Palinkas
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -599,7 +599,7 @@
 		return iolht_error(obj, "line.ID must be a hash\n");
 
 	if (ly == NULL)
-		return iolht_error(obj, "failed to allocate line object\n");
+		return iolht_error(obj, "can't allocate line on invalid layer\n");
 
 	if (parse_id(&id, obj, 5) != 0)
 		return -1;
@@ -675,7 +675,7 @@
 		return iolht_error(obj, "arc.ID must be a hash\n");
 
 	if (ly == NULL)
-		return iolht_error(obj, "failed to allocate arc object\n");
+		return iolht_error(obj, "can't allocate arc on invaid layer\n");
 
 	if (parse_id(&id, obj, 4) != 0)
 		return -1;