Not able to load GIS data

Dear team

I ask for help to load this GIS files. My variable Elevation-dataset is working but I have problems with my variable fcc-dataset

ERROR IS THIS AND CODE IS SHOWN NEXT. THANK YOU VERY MUCH

extensions [ gis ]
globals [ elevation-dataset
fcc-dataset
]

to setup
clear-all

set elevation-dataset gis:load-dataset “dem_ide_15m.asc”
set fcc-dataset gis:load-dataset “FCC_25831.asc”

end