1. Are you sure you are trying to install a new version from the right machine : the one where you have defined the environment and from where you will run the executable ?
2. Check your MARS environment in your .cshrc file, you must have

• alias mkconfdir "$HOMEMARS/../TOOLS/MARSENV/mkconfdir_caparmor"

Summary of MARS environment (csh)

• setenv HOMEMARS /home11/caparmor/mars/CODE_MARS/CODE_MARS_V9/V9.05/Mars_Agrif2
• setenv UDIR /export/home1/${USER}/MARS_CONFIG
• setenv CDIR /export/home8/${USER}/COMPILE_MARS
• setenv RDIR /export/home8/${USER}/RUN_MARS
• setenv PATH ${PATH}:$HOMEMARS/../TOOLS/MARSENV
• alias mkconfdir "$HOMEMARS/../TOOLS/MARSENV/mkconfdir_caparmor"
• setenv extranet_login tg059b2
• setenv HTTPSVNROOT https://forge.ifremer.fr/svn/mars3d