Solution : https://service.sap.com/sap/support/notes/677063 (SAP Service marketplace login required)
Key words : 
database accesses including rfc failed, database accesses anymore, refreshing workareascreating documentengine, support package 18 anymore, earlier support package, server exited due, termination occurred sporadically, ipc server terminated, 0creating checkengine 11-oct-03 2, database accesses
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