Client error: `GET https://delta-v-ng.fact-finder.de/fact-finder/rest/v4/navigation/deltav_de?channel=deltav_de&event=navigation&sid=vg84iek4vmvh34kjc9p3a19bbe&format=json&query=&filter=CategoryPath%3ASchauk%C3%A4sten+und+Verkaufshilfen%2FProspekthalter-+und+st%C3%A4nder&filter=Material%253AMetall&sort=SalesRanking:asc&query=%2A` resulted in a `400 Bad Request` response: {"error":"Bad Request","errorDescription":"The filter parameter must contain a : to split key and value"}