Page could not find (404)

Dear Concern,
One vendor login his dokan vendor dashboard, When he upload product picture he can not find the page (404 not found), but already product picture uploaded. And when someone go to vendor dashboard product edit panel, then he can find page (404 page could not found)

website: https://www.luckybaazar.com/my-account/
Vendor iD: [email protected]
Vendor Password: Sultandhakabd@007

The page I need help with: [log in to see the link]