Solution : https://service.sap.com/sap/support/notes/894547 (SAP Service marketplace login required)
Key words :
correction implements database hints, relevant support package, attached correction instructions, database accesses, database system, report rswuwfml, send mails, work items, table swwwihead, efficient index
Related Notes :
896090 | RSWUWFML2 versus RSWUWFML |