Solution : https://service.sap.com/sap/support/notes/1302124 (SAP Service marketplace login required)
Key words :
transaction <transaction/activity id>, user <user id>, sync call fails, error notification mails, error mails reason, prerequisites error mails, java code base, error notification mail, delete activity, crm backend
Related Notes :
| 1352811 | 1.5 SP2 SAMA .net/Java fixes Composite note |