Client error: `GET https://delta-v-ng.fact-finder.de/fact-finder/rest/v4/navigation/deltav_be?channel=deltav_be&event=navigation&sid=4akam9uahpanu1p0r6mucb3k6o&format=json&query=&filter=CategoryPath%3ABureaus+en+Tafels%2FBureautafels%2FVerstelbare+bureaus&filter=onderstel%253AC-poot&sort=SalesRanking%3Aasc&query=%2A` resulted in a `400 Bad Request` response: {"error":"Bad Request","errorDescription":"The filter parameter must contain a : to split key and value"}