Topic on Project:Support desk

When I add Extension:NewUserMessage in my site , then Log In page and Password Page don't work . but when I remove this extension then it work . please tell me , why I faced this problem . or Have any configuration to solve it ? thanks

Check if you've configured the extension correctly, look for any error message. If still stuck, you may need to report a bug

...after reading https://mediawiki.org/wiki/How_to_report_a_bug  :)