From 9fd904ff498395d2d72d0721646123cf22ddbae2 Mon Sep 17 00:00:00 2001
From: Mark Wells <mark@freeside.biz>
Date: Mon, 18 Jul 2016 18:06:28 -0700
Subject: [PATCH] suppress msg_template warnings during 4.x upgrade, #21564

---
 FS/FS/msg_template.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/FS/FS/msg_template.pm b/FS/FS/msg_template.pm
index 1dd48cc1a..b89071710 100644
--- a/FS/FS/msg_template.pm
+++ b/FS/FS/msg_template.pm
@@ -93,6 +93,7 @@ sub extension_table { ''; } # subclasses don't HAVE to have extensions
 
 sub _rebless {
   my $self = shift;
+  return '' unless $self->msgclass;
   my $class = 'FS::msg_template::' . $self->msgclass;
   eval "use $class;";
   bless($self, $class) unless $@;
-- 
2.11.0