Solution : https://service.sap.com/sap/support/notes/1325050 (SAP Service marketplace login required)
Key words :
web service call approverejectleave, send invalide input, update call, invalid input, approver open, approver task, requires approver, error mail, leave request, sap system
Related Notes :
1353408 | 1.5 SP2 LEMA .net/Java fixes Composite note |