If "Cansel" refers to canceling a paid plan (Yandex 360 Premium), you must do so through the account settings to avoid future charges:
If you are seeing error messages when trying to access a specific link or file: Cansel — Yandex.Disk
: If your storage is full, Yandex Disk will limit you to viewing and downloading existing files only; you won't be able to upload new "pieces" until space is cleared or the plan is upgraded. Are you trying to cancel a specific upload in progress, or Yandex Disk – Cloud Storage - Apps on Google Play If "Cansel" refers to canceling a paid plan
: If you cannot download a shared file, the owner may have disabled public access or the link may have expired. Cansel — Yandex.Disk