Client error: `GET https://delta-v-ng.fact-finder.de/fact-finder/rest/v4/navigation/deltav_be?channel=deltav_be&event=navigation&sid=haluksvuq1u7eg9ngup6a6lajl&format=json&query=&filter=CategoryPath%3ABureau-stoelen%2FBureaustoelen&filter=Mechanisme%253ASynchroon-mechanisme+met+gewichtsautomatic&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"}