Index: lams_central/src/java/org/lamsfoundation/lams/web/SIFOpenIDServlet.java
===================================================================
diff -u -r179f97f9c5145ac4376566e6d6a37d7f11e71e8f -rf4c0b4af13c5a7bb8fc2593c2fd49e9c11cc400f
--- lams_central/src/java/org/lamsfoundation/lams/web/SIFOpenIDServlet.java	(.../SIFOpenIDServlet.java)	(revision 179f97f9c5145ac4376566e6d6a37d7f11e71e8f)
+++ lams_central/src/java/org/lamsfoundation/lams/web/SIFOpenIDServlet.java	(.../SIFOpenIDServlet.java)	(revision f4c0b4af13c5a7bb8fc2593c2fd49e9c11cc400f)
@@ -2,6 +2,7 @@
 
 import java.io.IOException;
 import java.net.URL;
+import java.net.URLEncoder;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
@@ -208,7 +209,7 @@
 				.get(ConfigurationKeys.SERVER_URL);
 
 		if (errorString != null && errorString.length() > 0) {
-			portalURL += "?" + PARAM_ERROR_MSG + "=" + errorString;
+			portalURL += "?" + PARAM_ERROR_MSG + "=" + URLEncoder.encode(errorString, "UTF8");
 		}
 		response.sendRedirect(portalURL);
 	}