Yast2 error

I get this message when trying to open yast2 install software (f.e. yast2 -i lynx): Segmentation fault at Product.ycp:77 /sbin/yast2: line 194: 5882 Violación de segmento $ybindir/y2base "$module" "$@" ncurses I'm running SuSE 9.2. Any idea? Thanks!!