Solution : https://service.sap.com/sap/support/notes/617444 (SAP Service marketplace login required)
Key words : 
layoutsapsid        c11                 c11dbsid          abc                abcschema-id      -                  datdb-schema      sapr3              sapdattablespaces    psapddicd          psapdat              psapes620d          psapdat620              psapusr1, standard copying process based, sap system requires separate, previous 'sapr3' schema, database schema sap<sid>, schema id parameters, schema id feature, schema id independent, independent schema-id, 'sapr3' schema
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