correct declaration of env object/dic/lookup

packages/node_modules/@node-red/runtime/lib/flows/Flow.js

@@ -808,7 +808,7 @@ function handlePreRoute(flow, sendEvent, reportError) {
             return;
         } else if (err !== false) {
             sendEvent.destination.node = flow.getNode(sendEvent.destination.id);
-            if (sendEvent.destination.node) {
+            if (sendEvent.destination.node && typeof sendEvent.destination.node === 'object') {
                 if (sendEvent.cloneMessage) {
                     sendEvent.msg = redUtil.cloneMessage(sendEvent.msg);
                 }

packages/node_modules/@node-red/runtime/lib/flows/Subflow.js

@@ -119,7 +119,7 @@ class Subflow extends Flow {
         this.templateCredentials = credentials.get(subflowDef.id) || {};
         this.instanceCredentials = credentials.get(id) || {};
 
-        var env = [];
+        var env = {}; 
         if (this.subflowDef.env) {
             this.subflowDef.env.forEach(e => {
                 env[e.name] = e;