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

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

Dear Pro,
The system show error in below when I try to click an asset. Please kind advise how to fix 

HTTP Status 500 -


type Exception report

message

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

exception

java.lang.NullPointerException
	org.apache.jsp.asset.AssetListView_jsp._jspService(AssetListView_jsp.java:386)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
	com.adventnet.servicedesk.filter.EncodingFilter.doFilter(EncodingFilter.java:201)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
	org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:274)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
	org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:320)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
	com.manageengine.servicedesk.common.filter.ResetThreadLocal.doFilter(ResetThreadLocal.java:26)
	com.adventnet.servicedesk.filter.EncodingFilter.doFilter(EncodingFilter.java:201)
	org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:350)
	com.adventnet.servicedesk.authentication.NTLMV2CredentialAssociationFilter.doFilter(NTLMV2CredentialAssociationFilter.java:34)
	com.adventnet.servicedesk.authentication.NTLMV2Filter.doFilter(NTLMV2Filter.java:177)
	com.adventnet.console.filter.IT360Filter.doFilter(IT360Filter.java:133)
	com.adventnet.console.agent.ConsoleFilter.doFilter(ConsoleFilter.java:371)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75)
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