Confirm there is no workflow customization that might be affecting her view.
Try removing the user from the project entirely and re-adding her to the project.
Try removing her account from the Site entirely and re-adding her to the site, then re-adding her to the project. You'll need to make note of all the projects she has access to and her permissions in them before removing her from the Site.
Try removing the user from the project entirely and re-adding her to the project.
Try removing her account from the Site entirely and re-adding her to the site, then re-adding her to the project. You'll need to make note of all the projects she has access to and her permissions in them before removing her from the Site.