I am having error on Firebase. When I am trying to enabled Email and Password for Authentication. I am getting error like "ERROR UPDATING EMAIL/PASSWORD". 
I am having error on Firebase. When I am trying to enabled Email and Password for Authentication. I am getting error like "ERROR UPDATING EMAIL/PASSWORD". 
Try to to enable the Email/Password provider using an incognito window, or try using a different supported browser.
Verify if there are any other programs that might be blocking your connection such as antivirus, proxy or firewall. If yes, try to disable them.
Connect using a different network or machine