Chrome showing error as: Refused to execute inline script because of Content-Security-Policy

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I am working on creating a Chrome Extension of an Image Cropping Widget. The code of my popup.html is as follows:

    </script>
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     data-ad-client="ca-pub-5408099190056760"
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     data-ad-format="auto"
     data-full-width-responsive="true"></ins>
<script>
     (adsbygoogle = window.adsbygoogle || []).push({});
</script>        </div>
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                <span>2020-11-30 06:48</span>
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<p>You have to add <code>content_security_policy</code> to your <code>manifest.json</code> file:</p>

<p><code>"content_security_policy": "script-src 'self' 'sha256-B+Qe/KNUDtGDd/m1g5ycAq1DgpLs9ubKmYTlOHBogC8='; object-src 'self'"</code></p>

<p>You will find the hash from console.</p>

<p></p>
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                <span>2020-11-30 07:08</span>
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<p>From the Chrome extension CSP docs:</p>

<blockquote>
  <p>Inline JavaScript will not be executed. This restriction bans both inline <code><script></code> blocks and inline event handlers (e.g. <code><button onclick="..."></code>). </p>
</blockquote>

<p>You <strong>cannot</strong> have inline scripts in your extension HTML like:</p>

<pre><code><script>alert("I'm an inline script!");</script>

<button onclick="alert('I am an inline script, too!')">
</code></pre>

<p>Rather, you must place your script into a separate file:</p>

<pre><code><script src="somescript.js"></script>
</code></pre>
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                <span>2020-11-30 07:10</span>
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<p>If you are using React:</p>

<ol>
<li><p>create a <code>.env</code> file in project root</p></li>
<li><p>Add variable as follows: <code>INLINE_RUNTIME_CHUNK=false</code></p></li>
<li><p>Build the project again and load the extension again.</p></li>
</ol>

<p>Source</p>
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