package Ġcom . jun jun gu o . backend . settings . error Han l der . exceptions Ċ Ċ import Ġorg . springframework . http . HttpStatus Ċ import Ġorg . springframework . web . bind . annotation . ResponseStatus Ċ Ċ @ ResponseStatus ( HttpStatus . NOT _ FOUND ) Ċ class ĠNotFound Exception ( msg : ĠString , Ġt : ĠThrowable ?) Ġ: ĠRuntimeException ( msg , Ġt ) Ġ{ ĊĠĠĠ Ġconstructor ( msg : ĠString ) Ġ: Ġthis ( msg , Ġnull ) Ċ }