From 1bae8a822de36e9ce8a719b5b76d764f04d32410 Mon Sep 17 00:00:00 2001
From: KRKeegan <kevin@krkeegan.com>
Date: Sat, 23 Nov 2013 13:02:41 -0800
Subject: [PATCH] Insteon: Prevent Calling Success Callback if No Active
 Message

---
 lib/Insteon/BaseInsteon.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Insteon/BaseInsteon.pm b/lib/Insteon/BaseInsteon.pm
index d115da551..00b797014 100644
--- a/lib/Insteon/BaseInsteon.pm
+++ b/lib/Insteon/BaseInsteon.pm
@@ -1966,7 +1966,8 @@ sub _get_engine_version_failure
 		$self->engine_version('I2CS');
 	}
 	#Clear success callback, otherwise it will run when message is cleared
-	$self->interface->active_message->success_callback('0');
+	$self->interface->active_message->success_callback('0') 
+		if (ref $self->interface->active_message);
 }
 
 =item C<ping([count])>