From c51c8b33086c552bc1bc1ba8a161f357dbb6c87c Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 8 Mar 2019 17:08:29 -0700
Subject: [PATCH] add runtime warning message

---
 libs/ardour/port_manager.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/ardour/port_manager.cc b/libs/ardour/port_manager.cc
index a33856126e..fc9037959b 100644
--- a/libs/ardour/port_manager.cc
+++ b/libs/ardour/port_manager.cc
@@ -1205,6 +1205,8 @@ PortManager::load_midi_port_info ()
 		    !(*i)->get_property (X_("pretty-name"), pretty) ||
 		    !(*i)->get_property (X_("input"), input) ||
 		    !(*i)->get_property (X_("properties"), properties)) {
+			/* should only affect version changes */
+			error << string_compose (_("MIDI port info file %1 contains invalid information - please remove it."), path) << endmsg;
 			continue;
 		}