yum module enable error yum module enable 시 에러 해결방법 yum module enable idm:DL1 를 쳤을때 에러가 발생했을경우 해결방법입니다. The operation would result in switching of module 'idm' stream 'client' to stream 'DL1' Error: It is not possible to switch enabled streams of a module unless explicitly enabled via configuration option module_stream_switch. It is recommended to rather