You would not be able to sign in to your Gmail account and cannot send or receive emails if you are facing Gmail internal temporary server error. To solve
Gmail temporary error numeric codes, check your browser and try using a different browser to load Gmail. You can also try using Gmail in the incognito window and see if it works. Extensions or add-ons on your browser or applications can often prevent Gmail from working correctly. So turn off all these extensions and applications and try loading Gmail again to check if that resolves the issue of Gmail temporary error 500 on your browser.