title: Prestashop 1.7.5.1 Symfony Error: Missing translations while editing product in back office causing slow editing of products in back office
body: <p><a href="https://i.stack.imgur.com/OI5mp.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OI5mp.png" alt="enter image description here" /></a></p>
  <p>This screenshot has been taken in debug mode.
  I have only 1 language en-US
  I get errors of missing translations for all my categories, features, etc when trying to edit a product. The delay was 23 seconds, so I turned on debug mode to see the error.</p>
  <p>Since I have only 1 language, it is not possible to have translations for these terms in the back office. With debug mode off, everything works smoothly, but extremely slow with very high MySQL usage.</p>
  <p>The error clearly states:
  &quot;These messages are not available for the given locale and cannot be found in the fallback locales. Add them to the translation catalogue to avoid Symfony outputting untranslated contents.&quot;</p>
  <p>Please explain how to avoid the same. and get the editing of products in Prestashop quick?</p>