Standardprofil Produkt Export versagt in SW 6.5.3.2

Bei einem einfachen Test mit einem Produkexport passiert irgendwie gar nichts. Im Log sehe ich nur:

request.INFO: Matched route "api.import_export_log.search". {"route":"api.import_export_log.search","route_parameters":{"_route":"api.import_export_log.search","_controller":"Shopware\\Core\\Framework\\Api\\Controller\\ApiController::search","entityName":"import-export-log","_routeScope":["api"],"path":""},"request_uri":".../api/search/import-export-log","method":"POST"} []

request.INFO: Matched route "api.notification.message". {"route":"api.notification.message","route_parameters":{"_route":"api.notification.message","_routeScope":["api"],"_controller":"Shopware\\Administration\\Controller\\NotificationController::fetchNotification"},"request_uri":".../api/notification/message?latestTimestamp=2023-07-14%2012%3A09%3A01.957&limit=5","method":"GET"} []

request.INFO: Matched route "api.notification.message". {"route":"api.notification.message","route_parameters":{"_route":"api.notification.message","_routeScope":["api"],"_controller":"Shopware\\Administration\\Controller\\NotificationController::fetchNotification"},"request_uri":".../api/notification/message?latestTimestamp=2023-07-14%2012%3A09%3A01.957&limit=5","method":"GET"} []

Hm, das heißt jetzt was?