<p dir="auto">Fresh application, made by create-react-app (4.0.3)<br>
Launching DevServer via npm run start.<br>
White screen, and error at<br>
react-refresh/cjs/react-refresh-runtime.development.js<br>
line number 465:<br>
hook.renderers.forEach</p>
<p dir="auto">hook.renderers is undefined.<br>
hook object has only "_renderers" empty object property</p>
<p dir="auto">If write this line with hook.renderers&amp;&amp;hook.renderers.forEach, page appears, live reload works.</p>
<p dir="auto">React version:<br>
17.0.2<br>
react-refresh version:<br>
0.8.3 / 0.10.0<br>
Chrome version:<br>
89.0.4389.114</p>
<h2 dir="auto">Steps To Reproduce</h2>
<p dir="auto">just run dev server via "npm run start."</p>
<p dir="auto">I can reproduce it only at my enterprice workstation.<br>
At my home pc, this works without issue.</p>
<h2 dir="auto">The current behavior</h2>
<p dir="auto">White screen</p>
<h2 dir="auto">The expected behavior</h2>
<p dir="auto">Working dev server</p>
<h3 dir="auto">Website or app</h3>
<p dir="auto"><a href="http://bestellen-a.cito.nl" rel="nofollow">http://bestellen-a.cito.nl</a></p>
<h3 dir="auto">Repro steps</h3>
<p dir="auto">Just opening the console and going to Components or Profiler shows this error.</p>
<p dir="auto">I noticed that in the console there are two warnings for contentScript.js (I am assuming this file is part of this extension):<br>
﻿<br>
contentScript.js:113 [Violation] 'message' handler took 210ms<br>
contentScript.js:113 [Violation] 'message' handler took 891ms</p>
<h3 dir="auto">How often does this bug happen?</h3>
<p dir="auto">Sometimes</p>
<h3 dir="auto">DevTools package (automated)</h3>
<p dir="auto">react-devtools-extensions</p>
<h3 dir="auto">DevTools version (automated)</h3>
<p dir="auto">4.24.0-82762bea5</p>
<h3 dir="auto">Error message (automated)</h3>
<p dir="auto">Cannot add node "1" because a node with that id is already in the Store.</p>
<h3 dir="auto">Error call stack (automated)</h3>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:26326:41
    at bridge_Bridge.emit (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24400:22)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24566:14
    at listener (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:54300:39)"><pre lang="text" class="notranslate"><code class="notranslate">at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:26326:41
    at bridge_Bridge.emit (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24400:22)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:24566:14
    at listener (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:54300:39)
</code></pre></div>
<h3 dir="auto">Error component stack (automated)</h3>
<p dir="auto"><em>No response</em></p>
<h3 dir="auto">GitHub query string (automated)</h3>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="https://api.github.com/search/issues?q=Cannot add node  because a node with that id is already in the Store. in:title is:issue is:open is:public label:&quot;Component: Developer Tools&quot; repo:facebook/react"><pre lang="text" class="notranslate"><code class="notranslate">https://api.github.com/search/issues?q=Cannot add node  because a node with that id is already in the Store. in:title is:issue is:open is:public label:"Component: Developer Tools" repo:facebook/react
</code></pre></div>