I have developed a website in Drupal 8 and have deployed it to production. I have created 7-8 other accounts for my content management team and have granted them limited privileges for creating, editing and deleting content.
Of late, I am facing a problem with the user login form, wherein the login works sporadically. Sometimes I am able to log in as the administrator in the first attempt, sometimes I am not. In the latter case, I have to reset my password via email using the reset password option. However, this approach works only temporarily for a single session, which means that as soon as I log out, I am unable to log in. My content managers are also experiencing the same problem.
I have tried the below things but no luck.
Truncating the flood, session and all the cache tables and flood table manually from the database.
Disabling the Recaptcha module in the login form.
Enabling and disabling the HTTP Basic Authentication module.
Disabling server proxy configuration through the
Performing Drupal updates by running the
The incorrect username and/or password error in the login has not been handled. When an incorrect username/password is entered the page only refreshes without displaying any custom message.