It looks like you can't upload a video because an error has occurred while binding your YouTube account to your SEN account.
- Click here and sign in with the Google account that is registered on your PS4.
- Once you are signed in, go to [PSN] and select [Revoke access].
- Next you'll have to go to [PS4] > [Settings] > [PSN] > [Link with Other Services] > [YouTube] > [Sign-In] and rebind the account.
- Finally go to [Notifications] > [Uploads] and try uploading your video again.