Recuring RESTAPI Errors for Homematic IP Binding and HMIP-eTRV

Hi,
i get recuring error messages for my homematic ip items (HMIP-eTRV):

 2018-04-27 02:12:00.496 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:12:44.614 [INFO ] [netatmo.handler.NetatmoBridgeHandler] - Initializing API Connection and scheduling token refresh every 5400s 2018-04-27 02:13:21.253 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:14:42.477 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:16:03.144 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:17:23.866 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:18:44.573 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:20:05.414 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:24:06.270 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)
2018-04-27 02:26:46.840 [WARN ] [ematic.handler.HomematicThingHandler] - -1 Generic error (sending <?xml version="1.0" encoding="ISO-8859-1"?><methodCall><methodName>getParamset</methodName><params><param><value>XXX:0</value></param><param><value>MASTER</value></param></params></methodCall>)

I use a rasperymatic gateway. Any idea what to check up?

Regards,
Seppy

Any ideas?