Solution : https://service.sap.com/sap/support/notes/208797 (SAP Service marketplace login required)
Key words :
advise_index advise_workload explain_argument explain_instance explain_object explain_operator explain_predicate explain_statement explain_stream, automatically created correctly, system automatically ensures, error messages disappear, explain_stream reason, respective dbdiff entries, advise tables consistently, advise_index, advise_workload, explain_argument
Related Notes :
124268 | DB6: the newest Explain functions for 3.0F - 4.6B |