URL Configuration for PO Approval History

We are receiving the following error whenever trying to access Approval History on a PO:

Detailed Error Description

Unable to signon to server.

Please contact your System Administrator.

Portal was requested to retrieve this URL:http%3a%2f%2fsrv-empire122v.empiredistrict.com%3a8000%2fpsc%2fFPROD%2fEMPLOYEE%2fERP%2fc%2fEOAW_APPROVAL_WORKFLOW.EOAW_HISTORY_VIEW.GBL%3fAction%3dU%26EOAWTHREAD_ID%3d9343%26EOAWPRCS_ID%3dPurchaseOrder%26RECNAME%3dPO_AW%26SHOWALL%3dY%2520target%3dnew%253eView%2520History

Portal attempted to access this URL:http%3a%2f%2fsrv-empire122v.empiredistrict.com%3a8000%2fpsc%2fFPROD%2fEMPLOYEE%2fERP%2fc%2fEOAW_APPROVAL_WORKFLOW.EOAW_HISTORY_VIEW.GBL%3fAction%3dU%26EOAWTHREAD_ID%3d9343%26EOAWPRCS_ID%3dPurchaseOrder%26RECNAME%3dPO_AW%26SHOWALL%3dY%2520target%3dnew%253eView%2520History%26PortalActualURL%3dhttp%253a%252f%252fsrv-empire122v.empiredistrict.com%253a8000%252fpsc%252fFPROD%252fEMPLOYEE%252fERP%252fc%252fEOAW_APPROVAL_WORKFLOW.EOAW_HISTORY_VIEW.GBL%253fAction%253dU%2526EOAWTHREAD_ID%253d9343%2526EOAWPRCS_ID%253dPurchaseOrder%2526RECNAME%253dPO_AW%2526SHOWALL%253dY%252520target%253dnew%25253eView%252520History%26PortalRegistryName%3dEMPLOYEE%26PortalServletURI%3dhttp%253a%252f%252fsrv-empire108v.empiredistrict.com%253a8060%252fpsp%252fFTEST%252f%26PortalURI%3dhttp%253a%252f%252fsrv-empire108v.empiredistrict.com%253a8060%252fpsc%252fFTEST%252f%26PortalHostNode%3dERP%26NoCrumbs%3dyes