Solution : https://service.sap.com/sap/support/notes/1303776 (SAP Service marketplace login required)
Key words :
esa fast track version ecc se 602 sp3 release, <chainedexception><exception_name>cx_xms_syserr_proxy</exception_name><exception_text>information, esa web service reposnse, request message namespace http, budget monitoring server sca, specific esa service, request message budgetregistererpitembyelementsquery_sync, web service getpersonalisediodetailsforuser, ea-ps namespace, symptom client configuration
Related Notes :
1298807 | Duet 1.5 SP1 Budget Monitoring Patch Information Note |