Error on start android phone

Hi, in the last day on startup my phone, the prey app give this message. I want know if is an error and how resolve this error for not see this message.

Not allowed to start service intent {com.prey/.actions.location.LocationUpdatesService}:app is in background uid UidRecords{3dbd3c2 u0a200 CEM idle procs:1 seq(0,0,0)}