Page not found or not available for Training Event in MSS

Dear Experts.

I have the following issue when I want see Information of theTraining course in The Manager Self Service and the system display the following message.

Page not found or not available

[MSS|http://www.freeimagehosting.net/uploads/212ad70b4e.jpg]

The problem is that with the user admin the system the portal not display this message and show the page

pcd:portal_content/com.sap.pct/line_manager/com.sap.pct.erp.mss.bp_folder/com.sap.pct.erp.mss.pages/com.sap.pct.erp.mss.hcm/com.sap.pct.erp.mss.trainingeventsdetails/com.sap.pct.erp.mss.trainingeventsdetails

We have a copy of the role of MSS assigned to the user.

Anyone know What is the cause of this? What role need assign for this page work fine?

Thank in advance for your help.

Regards