Please post the error message.
Most likely you just need to adjust your configuration.yaml scene !include(s)
configuration.yaml
scene ui: !include scenes.yaml # UI generated
scene lifx: !include lifx_scenes.yaml
Put your lifx cloud config in the second file lifx_scenes.yaml
(after you create it).
Also please format your forum posts correctly. See: https://community.home-assistant.io/t/how-to-help-us-help-you-or-how-to-ask-a-good-question/114371#oneone-format-it-properly-16