>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3565149. --> Reported by: [juc1](https://www.drupal.org/user/865310) Related to !734 !733 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>Trying to follow demo here <a href="https://youtu.be/isB07kiIgMU?t=799">https://youtu.be/isB07kiIgMU?t=799</a> to export Umami site as site template then import to CMS2 installer</p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <p>Created fresh Umami site in 11.3</p> <p>used <a href="https://www.drupal.org/project/drupal_cms_helper">https://www.drupal.org/project/drupal_cms_helper</a> and </p> <p><code>$ drush site:export --destination=../recipes/my_umami_site_template</code></p> <p>to export to site template.</p> <p>my_umami_site_template/config has about 300 .yml files</p> <p>the CMS 2 installer "/core/install.php?rewrite=ok&amp;profile=drupal_cms_installer&amp;langcode=en&amp;site_name=My Drupal CMS site Umami" fails with</p> <blockquote><p>Drupal\Core\Recipe\RecipePreExistingConfigException: The configuration 'core.date_format.fallback' exists already and does not match the recipe's configuration in Drupal\Core\Recipe\ConfigConfigurator-&gt;__construct() (line 69 of core/lib/Drupal/Core/Recipe/ConfigConfigurator.php).</p></blockquote> <p>If I delete the corresponding .yml file, <code>$ ../vendor/bin/drush sql:drop</code> and try again, the error repeats with a different setting each time...</p> <blockquote><p>Drupal\Core\Recipe\RecipePreExistingConfigException: The configuration 'core.entity_view_mode.media.media_library' exists already and does not match the recipe's configuration in Drupal\Core\Recipe\ConfigConfigurator-&gt;__construct() (line 69 of core/lib/Drupal/Core/Recipe/ConfigConfigurator.php).</p></blockquote> <blockquote><p>Drupal\Core\Recipe\RecipePreExistingConfigException: The configuration 'language.entity.en' exists already and does not match the recipe's configuration in Drupal\Core\Recipe\ConfigConfigurator-&gt;__construct() (line 69 of core/lib/Drupal/Core/Recipe/ConfigConfigurator.php).</p></blockquote> <blockquote><p>Drupal\Core\Recipe\RecipePreExistingConfigException: The configuration 'language.negotiation' exists already and does not match the recipe's configuration in Drupal\Core\Recipe\ConfigConfigurator-&gt;__construct() (line 69 of core/lib/Drupal/Core/Recipe/ConfigConfigurator.php) </p></blockquote> <p><img src="https://www.drupal.org/files/issues/2025-12-30/umami-yml_0.jpg" alt="umami"></p>