Grünbeck Error

I get no data with the Grümnbeck App in my new Homey Pro 2023 Here is the error:

2023-03-28 11:45:37.847 ===> Login * 2023-03-28 11:45:39.408 —> Get Devices * 2023-03-28 11:45:39.657 [{“accessPointName”:“softliQ:SC_c4d46a”,“ipAddress”:“192.168.1.168”,“type”:18,“id”:“softliQ.C/BS00048122”,“series”:“softliQ.C”,“serialNumber”:“BS00048122”,“name”:“softliq:SC18”,“register”:true}] * 2023-03-28 11:54:12.904 >>>> Periodical device update STOPPED <<<< * 2023-03-28 11:54:12.908 —> Close WebSocket * 2023-03-28 11:54:15.912 >>>> Periodical device update STARTED <<<< * 2023-03-28 11:54:15.915 ===> Login * 2023-03-28 11:54:17.142 —> Connect WebSocket * 2023-03-28 11:54:22.150 ===> Devices Update * 2023-03-28 11:54:22.153 —> Get Devices * 2023-03-28 11:54:22.302 [{“accessPointName”:“softliQ:SC_c4d46a”,“ipAddress”:“192.168.1.168”,“type”:18,“id”:“softliQ.C/BS00048122”,“series”:“softliQ.C”,“serialNumber”:“BS00048122”,“name”:“softliq:SC18”,“register”:true}] * 2023-03-28 11:54:22.305 —> Device: SC (requestAllCommand) * 2023-03-28 11:54:24.567 Error DataRequest SC device * 2023-03-28 11:54:24.572 Error: HTTP Error: Parse Error: Invalid header value char