Looking for logging into the Error Page site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Error Page site. After that you can login as usual with your login credentials.
https://docs.oracle.com/cd/E19316-01/819-3669/bncca/index.html
https://docs.oracle.com/cd/E19798-01/821-1841/bncca/index.html
https://www.baeldung.com/spring-security-login-error-handling-localization
http://www.javapractices.com/topic/TopicAction.do?Id=220
https://www.ibm.com/support/knowledgecenter/en/SSMQ79_9.5.1/com.ibm.egl.pg.doc/topics/pegl_richui_security_j22formsample.html
https://auth0.com/docs/universal-login/custom-error-pages
https://community.spotify.com/t5/Accounts/Unable-to-log-in-error-code-404/td-p/1029941
https://www.aelp.org.uk/login-error-page/
https://stackoverflow.com/questions/49660763/spring-security-login-always-lands-in-an-error-page-with-no-message
https://wordpress.org/support/topic/login-error-80/page/2/
https://help.salesforce.com/HTViewHelpDoc?id=sso_saml_start_stop_pages.htm
https://books.google.it/books?id=-zaBHaF13ZkC&pg=PA208&lpg=PA208&dq=login+error+page
https://rigor.com/blog/2012/07/15-awesome-fail-pages