Please try to delete the HomeCourt app and re-install it from the App Store and see if this helps.

Before your delete your HomeCourt app, however, please first verify whether your HomeCourt account has an authentication method associated, so as to ensure that you can sign back in to your HomeCourt account afterwards. To do so, please go to your Profile › Settings (the toggle button near top right) › Account. If you don't see a "Convert to full account" button, that means your HomeCourt account is authenticated and you can sign back in after re-installing the HomeCourt app. But if you see the "Convert to full account" button, please tap that button and follow the on-screen instructions to add a authentication to your HomeCourt account before deleting the HomeCourt app.