[error] Drupal\Core\Config\ConfigImporterException: There were errors validating the config synchr
onization.
Entities exist of type <em class="placeholder">Shortcut link</em> and <em class="placeholder">Shortc
ut set</em> <em class="placeholder">Default</em>. These entities need to be deleted before importing
. in Drupal\Core\Config\ConfigImporter->validate() (line 737 of /var/www/web/core/lib/Drupal/Core/Co
nfig/ConfigImporter.php).