Getting notice Undefined index: settings in Drupal\facets\FacetManager\DefaultFacetManager->initFacets()

I am getting the following notice multiple times which seems to be related to the facet module -

Notice: Undefined index: settings in Drupal\facets\FacetManager\DefaultFacetManager->initFacets() (line 240 of /mnt/www/html/alshaya202live/docroot/modules/contrib/facets/src/FacetManager/DefaultFacetManager.php) #0 /mnt/www/html/alshaya202live/docroot/core/includes/bootstrap.inc(587): _drupal_error_handler_real(8, 'Undefined index...', '/mnt/www/html/a...', 240, Array) #1 /mnt/www/html/alshaya202live/docroot/modules/contrib/facets/src/FacetManager/DefaultFacetManager.php(240): _drupal_error_handler(8, 'Undefined index...', '/mnt/www/html/a...', 240, Array) #2 /mnt/www/html/alshaya202live/docroot/modules/contrib/facets/src/FacetManager/DefaultFacetManager.php(180): Drupal\facets\FacetManager\DefaultFacetManager->initFacets() #3 /mnt/www/html/alshaya202live/docroot/modules/contrib/facets/src/FacetManager/DefaultFacetManager.php(152): Drupal\facets\FacetManager\DefaultFacetManager->getFacetsByFacetSourceId('search_api:view...') #4 /mnt/www/html/alshaya202live/docroot/modules/contrib/facets/facets.module(87): Drupal\facets\FacetManager\DefaultFacetManager->alterQuery(Object(Drupal\search_api\Query\Query), 'search_api:view...') #5 /mnt/www/html/alshaya202live/docroot/core/lib/Drupal/Core/Extension/ModuleHandler.php(543): facets_search_api_query_alter(Object(Drupal\search_api\Query\Query), NULL, NULL) #6 .....