From e82e4af48338d56d4e7cf4578506e3d206f78dab Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Wed, 31 May 2023 00:45:07 +0100
Subject: [PATCH] Don't double-up FUTURE_FORMAT_ERROR problem strings.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/14780
---
 common/exceptions.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/common/exceptions.cpp b/common/exceptions.cpp
index ca496edcb1..6446fc2361 100644
--- a/common/exceptions.cpp
+++ b/common/exceptions.cpp
@@ -120,10 +120,18 @@ FUTURE_FORMAT_ERROR::FUTURE_FORMAT_ERROR( const PARSE_ERROR& aParseError,
                                           const wxString& aRequiredVersion ) :
         PARSE_ERROR()
 {
-    init( aRequiredVersion );
+    if( const FUTURE_FORMAT_ERROR* ffe = dynamic_cast<const FUTURE_FORMAT_ERROR*>( &aParseError ) )
+    {
+        requiredVersion = ffe->requiredVersion;
+        problem = ffe->Problem();
+    }
+    else
+    {
+        init( aRequiredVersion );
 
-    if( !aParseError.Problem().IsEmpty() )
-        problem += wxS( "\n\n" ) + _( "Full error text:" ) + wxS( "\n" ) + aParseError.Problem();
+        if( !aParseError.Problem().IsEmpty() )
+            problem += wxS( "\n\n" ) + _( "Full error text:" ) + wxS( "\n" ) + aParseError.Problem();
+    }
 
     lineNumber = aParseError.lineNumber;
     byteIndex = aParseError.byteIndex;