Error
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Drupal\Core\Extension\Exception\UnknownExtensionException: The profile does not exist. in Drupal\Core\Extension\ExtensionList->get() (line 267 of core/lib/Drupal/Core/Extension/ExtensionList.php).
Drupal\Core\Extension\ExtensionList->get(NULL) (Line: 17)
lightning_core_requirements('install') (Line: 907)
drupal_check_profile('lightning_umn') (Line: 2096)
install_check_requirements(Array) (Line: 1099)
install_verify_requirements(Array) (Line: 707)
install_run_task(Array, Array) (Line: 578)
install_run_tasks(Array, NULL) (Line: 121)
install_drupal(Object) (Line: 48)