登录时报HTTP Status 500 - sys/portal/home/get-msg-count.xwl:19 TypeError

HTTP Status 500 - sys/portal/home/get-msg-count.xwl:19 TypeError: Cannot set property "msgCount" of null

type Exception report

message sys/portal/home/get-msg-count.xwl:19 TypeError: Cannot set property "msgCount" of null

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

exception

javax.servlet.ServletException: sys/portal/home/get-msg-count.xwl:19 TypeError: Cannot set property "msgCount" of null
	com.wb.util.WebUtil.showException(WebUtil.java:691)
	com.wb.common.Parser.parse(Parser.java:129)
	com.wb.common.Parser.parse(Parser.java:93)
	com.wb.common.Base.doFilter(Base.java:102)

root cause