"MY DISCUSSIONS" page = PAGE NOT FOUND

"MY DISCUSSIONS" page = PAGE NOT FOUND
domain.com/discussions/mine
domain.com/discussions/bookmarked
these all show PAGE NOT FOUNDS
does anyone know why ?
0
"MY DISCUSSIONS" page = PAGE NOT FOUND
domain.com/discussions/mine
domain.com/discussions/bookmarked
these all show PAGE NOT FOUNDS
does anyone know why ?