diff --git a/packages/node_modules/@node-red/runtime/lib/flows/index.js b/packages/node_modules/@node-red/runtime/lib/flows/index.js
index c955dfe1c..2273e8b89 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/index.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/index.js
@@ -44,9 +44,11 @@ var activeNodesToFlow = {};
 
 var typeEventRegistered = false;
 
+let lastStarterStack
+
 function init(runtime) {
     if (started) {
-        throw new Error("Cannot init without a stop");
+        throw new Error("Cannot init without a stop:" + lastStarterStack);
     }
     settings = runtime.settings;
     storage = runtime.storage;
@@ -274,7 +276,7 @@ async function start(type,diff,muteLog,isDeploy) {
     if (diff && diff.globalConfigChanged) {
         type = 'full'
     }
-
+    lastStarterStack = new Error('Flows started here').stack
     started = true;
     state = 'start'
     var i;
@@ -334,6 +336,7 @@ async function start(type,diff,muteLog,isDeploy) {
         log.info(log._("nodes.flows.stopped-flows"));
         events.emit("runtime-event",{id:"runtime-state",payload:{ state: 'stop', deploy:isDeploy },retain:true});
         state = 'stop'
+        lastStarterStack = null
         started = false
         return
     }
@@ -454,6 +457,7 @@ function stop(type,diff,muteLog,isDeploy) {
     if (diff.globalConfigChanged) {
         type = 'full'
     }
+    lastStarterStack = null
     started = false;
     state = 'stop'
     var promises = [];