"No message found under code 'screen.blocked.heading' for locale 'en'" error

2016-11-06 07:27:04,826 ERROR [org.springframework.web.servlet.tags.MessageTag] - No message found under code 'screen.blocked.heading' for locale 'en'.
javax.servlet.jsp.JspTagException: No message found under code 'screen.blocked.heading' for locale 'en'.
	at org.springframework.web.servlet.tags.MessageTag.doStartTagInternal(MessageTag.java:184)
	at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
	at org.apache.jsp.WEB_002dINF.view.jsp.jbdev.ui.casBlockedView_jsp._jspx_meth_spring_005fmessage_005f0(casBlockedView_jsp.java:210)