!!! %html %head %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/ %title The change you wanted was rejected (422) %meta{:content => "width=device-width,initial-scale=1", :name => "viewport"}/ :css .rails-default-error-page { background-color: #EFEFEF; color: #2E2F30; text-align: center; font-family: arial, sans-serif; margin: 0; } .rails-default-error-page div.dialog { width: 95%; max-width: 33em; margin: 4em auto 0; } .rails-default-error-page div.dialog > div { border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #BBB; border-top: #B00100 solid 4px; border-top-left-radius: 9px; border-top-right-radius: 9px; background-color: white; padding: 7px 12% 0; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); } .rails-default-error-page h1 { font-size: 100%; color: #730E15; line-height: 1.5em; } .rails-default-error-page div.dialog > p { margin: 0 0 1em; padding: 1em; background-color: #F7F7F7; border: 1px solid #CCC; border-right-color: #999; border-left-color: #999; border-bottom-color: #999; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; border-top-color: #DADADA; color: #666; box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17); } %body.rails-default-error-page / This file lives in public/422.html .dialog %div %h1 The change you wanted was rejected. %p Maybe you tried to change something you didn't have access to. %p If you are the application owner check the logs for more information.