Solution : https://service.sap.com/sap/support/notes/181275 (SAP Service marketplace login required)
Key words : 
additional key words dbif_rsql_sql_error         snapshot, data bank error 'snapshot, access document tables bkpf, ora 1555 commit work                 rollback, abap/4 error dbif_rsql_sql_error, prerequisites reading accesses, affects typically reports, logical databases brf, suitable secondary index, selection resulting quantity
Related Notes : 
       
| 60233 | Oracle rollback segments, more information. |