400 Bad Request

The server could not comply with the request since it is either malformed or otherwise incorrect.

Cannot decode URL parameter keywords: ['kategorie_themen%3ABelastete Standorte%2Bkategorie_themen%3AAbfall%2Bkategorie_themen%3AHochwasserschutz%2Bkategorie_themen%3AWald%2Bkategorie_themen%3ABoden']