Changed from Error message when selector id doesn't exist in Benchmark to a Warning message
Changed from Error message when selector id doesn't exist in Benchmark to a Warning message

Hexadorsimal/openscap,jan-cerny/openscap,OpenSCAP/openscap,mpreisler/openscap,redhatrises/openscap,Hexadorsimal/openscap,redhatrises/openscap,jan-cerny/openscap,OpenSCAP/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,mpreisler/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,jan-cerny/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,mpreisler/openscap,redhatrises/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,mpreisler/openscap,jan-cerny/openscap,mpreisler/openscap