"Undefined" error while loading templates

If you see the error message "Undefined" when you try to add a template:

  • Upgrade your PHP version to PHP7 (backup your website before)
  • Ask your hosting company to increase the timeout value of your server
  • Ask them also to check the database encoding
  • Verify that it is not due to a plugin conflict by deactivating all your plugins besides Elementor and Elementor Pro. If this solves the issue, reactivate them one by one to find the culprit.
  • Check if it is not due to a conflict with a browser add-on by editing in incognito mode with your browser.
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