Reg:error in uwl

Hi All

please find the log file error when i open tasks in the uwl which need to open webdynpro abap application .

Details Severity Date Time Message Category Location Application Host Node

error 2012-06-18 15:28:29:436 03:28_18/06/12_0020_13617350

[EXCEPTION]

1. com.sapportals.portal.prt.runtime.PortalRuntimeException: Exception in SAP Application Integrator occured: Unable to parse template '<System.Access.WAS.protocol>://<System.Access.WAS.hostname>/sap/bc/webdynpro/<WebDynproNamespace>/<WebDynproApplication>/;sap-ext-sid=<ESID[URL_ENCODE]>?sap-ep-iviewhandle=007<ESID[HASH... [see details]

n/a com.sap.portal.prt.runtime sap.com/irj NETWVRDEV Server 0 1_36173

can u please guide me how to reslove this error .

Thanks & Regards

Deepika