catch race condition (#72)

hobbyquaker · Dec 5, 2019 · f6ed30f · f6ed30f
1 parent 669198c
commit f6ed30f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nodes/converter.js b/nodes/converter.js
@@ -96,7 +96,7 @@ module.exports = function (RED) {
                 this.debug('topic=' + msg.topic + ' name=' + name + ' ieeeAddr=' + ieeeAddr + ' attribute=' + attribute + ' payload=' + JSON.stringify(msg.payload));
 
                 if (!device) {
-                    group = this.groups.find(g => g.meta.name === topicAttrs.name);
+                    group = this.groups && this.groups.find(g => g.meta.name === topicAttrs.name);
                     if (group) {
                         isGroup = true;
                     } else {