Getting Error while opening the image in Brava

Hi,

we are getting following error message while opening the image in Brava.

**BOOKMARK Param:Authority|Temporary Authority
java.lang.NullPointerException: docbaseSpecString
at com.documentum.fc.client.impl.session.SessionManager.getSession(SessionManager.java:158)
at jsp_servlet._custom._brava._component._markup.__retrieve_content._jspService(__retrieve_content.jav
a:269)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.documentum.web.servlet.ResponseHeaderControlFilter.doFilter(ResponseHeaderControlFilter.java:31
7)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.documentum.web.servlet.CompressionFilter.doFilter(CompressionFilter.java:108)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at com.documentum.web.env.WDKController.processRequest(WDKController.java:95)
at com.documentum.web.env.WDKController.doFilter(WDKController.java:83)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.jav
a:3496)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)

We are using Webtop 6.5SP2, BravaEnterprise61Webtop6.exe.

It's Production issue. Please reply ASAP.