Zigbee2mqtt: Error and Warning

Hello
I am new on HA. I just installed zigb2mqtt. All my 3 devices could be implemented. but now I can find 1 error and 1 warning in the log… What could the problem be?
Thanks for your help.
Br Tom

Error:

2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.helpers.template] Template variable error: 'value_json' is undefined when rendering '{{ value_json.power_on_behavior }}'
2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.helpers.template] Error parsing value: 'value_json' is undefined (value: , template: {{ value_json.power_on_behavior }})
2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.components.mqtt.select] Invalid option for select.lightstrip_philips_hue_power_on_behavior: '' (valid options: ['off', 'on', 'toggle', 'previous'])
2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.helpers.template] Error parsing value: 'value_json' is undefined (value: , template: {"in_progress": {{ iif(value_json['update']['state'] == 'updating', 'true', 'false') }} })
2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.helpers.template] Error parsing value: 'value_json' is undefined (value: , template: {{ value_json['update']['installed_version'] }})
2023-12-28 19:35:45.809 ERROR (MainThread) [homeassistant.helpers.template] Error parsing value: 'value_json' is undefined (value: , template: {{ value_json['update']['latest_version'] }})

Warning:

2023-12-28 19:35:56.304 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 184, 'power_on_behavior': None, 'state': 'ON', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip
2023-12-28 19:36:00.825 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 224, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip
2023-12-28 19:36:11.921 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 216, 'power_on_behavior': None, 'state': 'ON', 'update': {'installed_version': -1, 'latest_version': -1, 'state': None}, 'update_available': None}' received for entity light.zb2m_bulp_buero_karo
2023-12-28 19:36:14.996 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 168, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': -1, 'latest_version': -1, 'state': None}, 'update_available': None}' received for entity light.zb2m_bulp_buero_karo
2023-12-28 19:47:46.973 WARNING (MainThread) [homeassistant.components.websocket_api.http.connection] [139879706842816] from 10.0.1.46 (Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3 Safari/605.1.15): Disconnected: Did not receive auth message within 10 seconds
2023-12-28 19:52:16.152 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 220, 'power_on_behavior': None, 'state': 'ON', 'update': {'installed_version': -1, 'latest_version': -1, 'state': None}, 'update_available': None}' received for entity light.zb2m_bulp_buero_karo
2023-12-28 19:52:34.569 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 200, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': -1, 'latest_version': -1, 'state': None}, 'update_available': None}' received for entity light.zb2m_bulp_buero_karo
2023-12-28 19:55:22.657 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 216, 'power_on_behavior': None, 'state': 'ON', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip
2023-12-28 19:55:39.604 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 236, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip
2023-12-28 19:57:05.760 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 252, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip
2023-12-28 19:57:15.328 WARNING (MainThread) [homeassistant.components.mqtt.light.schema_json] Invalid or incomplete color value '{'color_mode': 'xy', 'linkquality': 236, 'power_on_behavior': None, 'state': 'OFF', 'update': {'installed_version': 16784896, 'latest_version': 16785412, 'state': 'available'}, 'update_available': True}' received for entity light.zb2m_lightstrip

The error message did not appear anymore. Great.

The warning I could solve by simply adjusting the color temperature. Obviously the after pairing the color temperature is something like “xy” which is not recognized.

Its working correctly now… happy…