Error to save File

Does anyone know how to fix it ?

It happened all of sudden, it was working fine.

Parse error:  <!DOCTYPE html>
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<title>ipfs.moralis.io | 504: Gateway time-out</title>
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    <div id="cf-error-details" class="p-0">
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            <h1 class="inline-block sm:block sm:mb-2 font-light text-60 lg:text-4xl text-black-dark leading-tight mr-2">

              <span class="cf-error-type">Error</span>
              <span class="cf-error-code">504</span>
            </h1>
            <span class="inline-block sm:block font-mono text-15 lg:text-sm lg:leading-relaxed">Ray ID: 6bf237cfcc8b19d3 &bull;</span>
            <span class="inline-block sm:block font-mono text-15 lg:text-sm lg:leading-relaxed">2021-12-17 18:30:38 UTC</span>
            <h2 class="text-gray-600 leading-1.3 text-3xl font-light">Gateway time-out</h2>
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  <span class="md:block w-full truncate">You</span>
  <h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">Browser</h3>
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  <span class="md:block w-full truncate">Newark</span>
  <h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">Cloudflare</h3>
  <span class="leading-1.3 text-2xl text-green-success">Working</span>
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  <span class="md:block w-full truncate">ipfs.moralis.io</span>
  <h3 class="md:inline-block mt-3 md:mt-0 text-2xl text-gray-600 font-light leading-1.3">Host</h3>
  <span class="leading-1.3 text-2xl text-red-error">Error</span>
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                <div class="w-1/2 md:w-full float-left pr-6 md:pb-10 md:pr-0 leading-relaxed">
                    <h2 class="text-3xl font-normal leading-1.3 mb-4">What happened?</h2>
                    <p>The web server reported a gateway time-out error.</p>
                </div>

                <div class="w-1/2 md:w-full float-left leading-relaxed">
                    <h2 class="text-3xl font-normal leading-1.3 mb-4">What can I do?</h2>
                    <p class="mb-6">Please try again in a few minutes.</p>
                </div>
            </div>

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        <div class="cf-error-footer cf-wrapper w-240 lg:w-full py-10 sm:py-4 sm:px-8 mx-auto text-center sm:text-left border-solid border-0 border-t border-gray-300">      
  <p class="text-13">
    <span class="cf-footer-item sm:block sm:mb-1">Cloudflare Ray ID: <strong class="font-semibold">6bf237cfcc8b19d3</strong></span>
    <span class="cf-footer-separator sm:hidden">&bull;</span>
    <span class="cf-footer-item sm:block sm:mb-1"><span>Your IP</span>: 137.184.194.157</span>
    <span class="cf-footer-separator sm:hidden">&bull;</span>
    <span class="cf-footer-item sm:block sm:mb-1"><span>Performance &amp; security by</span> <a rel="noopener noreferrer" href="https://www.cloudflare.com/5xx-error-landing" id="brand_link" target="_blank">Cloudflare</a></span>

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does it still happen now?