Unable to Open HR2HR Mapping Key Flex Field Menu in E-Bis - Message -'The webpage cannot be found '

Hello,

Recently we are facing an issue on E-bis while opening the HR2HR mapping details. we could not open any of the mapping details .The error message = 'The webpage cannot be found '

Navigation # HCM Coexistence Administrator > Setup > Mapping > Map Key Flexfield

The Link #

"http://server:port/OA_HTML/oracle.apps.bne.webui.BneApplicationService?bne:noreview=Y&bne:page=BneCreateDoc&bne:layout=800%3ACOEXISTREVIEWMAPLAYOUT&bne:map=800%3ACOEXIST_REVIEW_INTG_MAP&bne:integrator=800%3APER_RI_I_RM_INTG&bne:reporting=N&P_CONFIGURATION_ID=1&bne:content=800%3APER_RI_I_RM_CNT&P_BUSINESS_GROUP_ID=-1"

Shefeeq.