Within several PWA configurations in different Project Server and Project Online environments I faced a strange issue with the Track Your Work Webpart over and over again, so I thought it’s worth it to add a short post about it.
Unfortunately, I wasn’t able to fully reproduce the issue, but I saw it very often in English systems.
To resolve the problem, just do the same action with a different language selected. To change the language in the PWA click on Site Settings -> Language Settings and check an alternative language. Next you also need to switch the language in the browser that you’re using. After you close and open the browser again, the changes are visible and you can uncheck the Reports: