Client error: `GET https://delta-v-ng.fact-finder.de/fact-finder/rest/v4/navigation/deltav_de?channel=deltav_de&event=navigation&sid=5oupn5frd5vaoj70kaeusdp494&format=json&query=&filter=CategoryPath%3ADrehst%C3%BChle%2FB%C3%BCrost%C3%BChle&filter=Material%253ASoftexsitz+mit+Netzr%25EF%25BF%25BD%25EF%25BF%25BDcken&filter=Material%253ASoftex&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"}