The multi-colour package used in the COMBO-17 and MANOS surveys requires a the MIDAS context classy.ctx which you could already set in your login.prg which is automatically called when you start up MIDAS. It simply provides new command defintions to access certain programs more easily. This is classy.ctx found in the MCC directory:
! classy.ctx CW 19.07.2005 ! ! Context file for classification commands create/command mcclass/library @@ MCC:mc_library create/command mcclass/colors @@ MCC:mc_colors create/command mcclass/classify @@ MCC:mc_classify create/command mcclass/final @@ MCC:mc_final create/command mcclass/errors @@ MCC:mc_fluxerrors create/command mcclass/mainseq @@ MCC:mc_mainseq create/command mcclass/postclass @@ MCC:mc_postclass_MAP1 create/command mcclass/prepmonte @@ MCC:prepare_montecarlo create/command mcclass/plot @@ MCCTAB:mc_plot_f04 return