After an update of zigbee2mqtt, 2 of my OSRAM light strips are no longer available as light entities, only the update entity is still available. The following error message also appears:
Error 'some but not all values in the same group of inclusion 'color_mode' @ data[<color_mode>]' when processing MQTT discovery message topic: 'homeassistant/light/0x8418260000caa9df/light/config', message: '{'availability': [{'topic': 'zigbee2mqtt/bridge/state'}], 'brightness': True, 'brightness_scale': 254, 'command_topic': 'zigbee2mqtt/0x8418260000caa9df/set', 'device': {'identifiers': ['zigbee2mqtt_0x8418260000caa9df'], 'manufacturer': 'OSRAM', 'model': 'Flex RGBW (4052899926110)', 'name': '0x8418260000caa9df', 'sw_version': 'V1.03.07', 'via_device': 'zigbee2mqtt_bridge_0x00124b0018e24a4b'}, 'effect': True, 'effect_list': ['blink', 'breathe', 'okay', 'channel_change', 'finish_effect', 'stop_effect', 'colorloop', 'stop_colorloop'], 'json_attributes_topic': 'zigbee2mqtt/0x8418260000caa9df', 'max_mireds': 666, 'min_mireds': 125, 'name': None, 'object_id': '0x8418260000caa9df', 'origin': {'name': 'Zigbee2MQTT', 'sw_version': '1.37.1', 'support_url': 'https://www.zigbee2mqtt.io'}, 'schema': 'json', 'state_topic': 'zigbee2mqtt/0x8418260000caa9df', 'supported_color_modes': ['xy', 'color_temp'], 'unique_id': '0x8418260000caa9df_light_zigbee2mqtt', 'platform': 'mqtt'}'
Deleting and re-adding has not brought any improvement.