Hi Experts,

I created a course content by LSOAE, and tred to pre-play it ,but met "HTTP Status 500" like following.

For the detailed info, please refer the enclosed file.

HTTP Status 500 -

type Exception report

message

descriptionThe server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException com.sap.hcm.ls.lms.data.session.CourseStateUpdater.loadCourseFromPath(CourseStateUpdater.java:395) com.sap.hcm.ls.lms.data.session.CourseStateUpdater.loadCourse(CourseStateUpdater.java:193) com.sap.hcm.ls.lms.data.session.CourseStateUpdater.update(CourseStateUpdater.java:142) com.sap.hcm.ls.lms.servlets.control.CourseUpdater.update(CourseUpdater.java:72) com.sap.hcm.ls.lms.servlets.control.EventDispatcher.updateModels(EventDispatcher.java:133) com.sap.hcm.ls.lms.servlets.control.RequestProcessor.doProcess(RequestProcessor.java:100) com.sap.hcm.ls.lms.servlets.control.RequestProcessor.process(RequestProcessor.java:80) com.sap.hcm.ls.lms.servlets.control.Mediator.processRequest(Mediator.java:269) com.sap.hcm.ls.lms.servlets.control.Mediator.doGet(Mediator.java:154) javax.servlet.http.HttpServlet.service(HttpServlet.java:697) javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

noteThe full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.

Apache Tomcat/5.5.9

How can I fixed the error, Thank you for anybody's helping.

BR

Nani