Client error: `GET https://delta-v-ng.fact-finder.de/fact-finder/rest/v4/navigation/deltav_ch?channel=deltav_ch&event=navigation&sid=ed1ujmiov5v6tqedrd446adfue&format=json&query=&filter=CategoryPath%3ASchreibtische+und+Tische%2FKonferenz-%2C+Besprechungs-+und+Mehrzwecktische&filter=Anzahl+Personen%252FSitzpl%25C3%25A4tze%253A%255B8.0%252C+10.0%2529&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"}