An error occurred (ValidationError) when calling the CreateChangeSet operation: Template format…

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Abstract

<a href="https://readmedium.com/conditional-properties-and-resources-in-cloudformation-templates-f20a2103e167"> <div> <div> <h2>Conditional Properties and Resources in CloudFormation Templates</h2> <div><h3>ACM.197 handling optional properties, resources, and conditions</h3></div> <div><p>medium.com</p></div> </div> <div> <div style="background-image: url(https://miro.readmedium.com/v2/resize:fit:320/1*gqCCs5Yl9n9ugGzNI7X8-A.png)"></div> </div> </div> </a> </div><p id="22fe">The problem with this case is that I had a condition where I was using the Equals condition in a YAML CloudFormation template.</p><p id="8b84">I failed to add the exclamation point (!) in front of Equals. When I added that the code worked.</p><p id="0d18">It seems like the error should be something like “Condition operator syntax error.” and that the parser could figure out and recommend something like:</p><p id="9484">Did you mean “!Equals”?</p><p id="7594">Clearly the person is trying to use Equals. But there’s no ! or fn: prefixing it which causes the problem.</p><p id="8925">Follow for updates.</p><p id="4a3a">Teri Radichel | <i>© <a href="https://2ndsightlab.com/?source=post_page---------------------------">2nd Sight Lab</a> 2023</i></p><div id="8b5f"><pre><spa # Options n class="hljs-section">About Teri Radichel: ~~~~~~~~~~~~~~~~~~~~</span> ⭐️ Author: Cybersecurity Books ⭐️ Presentations: Presentations by Teri Radichel ⭐️ Recognition: SANS Award, AWS Security Hero, IANS Faculty ⭐️ Certifications: SANS ~ GSE 240 ⭐️ Education: BA Business, Master of Software Engineering, Master of Infosec ⭐️ Company: Penetration Tests, Assessments, Phone Consulting ~ 2nd Sight Lab</pre></div><div id="caae"><pre><span class="hljs-section">Need Help With Cybersecurity, Cloud, or Application Security? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span> 🔒 Request a penetration test or security assessment 🔒 Schedule a consulting call 🔒 Cybersecurity Speaker for Presentation</pre></div><div id="46f6"><pre>Follow <span class="hljs-keyword">for</span> more stories like <span class="hljs-keyword">this</span>: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ❤️ Sign Up my Medium Email List ❤️ Twitter: <span class="hljs-meta">@teriradichel</span> ❤️ LinkedIn: https:<span class="hljs-comment">//www.linkedin.com/in/teriradichel</span> ❤️ Mastodon: <span class="hljs-meta">@teriradichel</span><span class="hljs-meta">@infosec</span>.exchange ❤️ Facebook: 2nd Sight Lab ❤️ YouTube: @2ndsightlab</pre></div><figure id="7286"><img src="https://cdn-images-1.readmedium.com/v2/resize:fit:800/1*4oxP4LXk8l8c3mpRvO7ejg.png"><figcaption></figcaption></figure></article></body>

About Teri Radichel: ~~~~~~~~~~~~~~~~~~~~ ⭐️ Author: Cybersecurity Books ⭐️ Presentations: Presentations by Teri Radichel ⭐️ Recognition: SANS Award, AWS Security Hero, IANS Faculty ⭐️ Certifications: SANS ~ GSE 240 ⭐️ Education: BA Business, Master of Software Engineering, Master of Infosec ⭐️ Company: Penetration Tests, Assessments, Phone Consulting ~ 2nd Sight Lab

Need Help With Cybersecurity, Cloud, or Application Security? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 🔒 Request a penetration test or security assessment 🔒 Schedule a consulting call 🔒 Cybersecurity Speaker for Presentation

Follow for more stories like this: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ❤️ Sign Up my Medium Email List ❤️ Twitter: @teriradichel ❤️ LinkedIn: https://www.linkedin.com/in/teriradichel ❤️ Mastodon: @teriradichel@infosec.exchange ❤️ Facebook: 2nd Sight Lab ❤️ YouTube: @2ndsightlab

An error occurred (ValidationError) when calling the CreateChangeSet operation: Template format error: Conditions can only be boolean operations on parameters and other conditions

Perhaps the error message could be more specific

Conditional Properties and Resources in CloudFormation Templates

ACM.197 handling optional properties, resources, and conditions