From c1ecb4257d8b5cc746c1dcffab69b2d48d8c86fd Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Mon, 2 Nov 2020 18:05:56 +0000
Subject: [PATCH] Fix error with empty sheet paths.

---
 eeschema/sch_sheet_path.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/eeschema/sch_sheet_path.cpp b/eeschema/sch_sheet_path.cpp
index 199353de12..cf11c2697c 100644
--- a/eeschema/sch_sheet_path.cpp
+++ b/eeschema/sch_sheet_path.cpp
@@ -227,8 +227,11 @@ KIID_PATH SCH_SHEET_PATH::PathWithoutRootUuid() const
 wxString SCH_SHEET_PATH::PathHumanReadable( bool aUseShortRootName ) const
 {
     wxString s;
+    wxString fileName;
+
+    if( !empty() && at( 0 )->GetScreen() )
+        fileName = at( 0 )->GetScreen()->GetFileName();
 
-    wxString    fileName = at( 0 )->GetScreen()->GetFileName();
     wxFileName  fn = fileName;
 
     if( aUseShortRootName )