Solution : https://service.sap.com/sap/support/notes/874798 (SAP Service marketplace login required)
Key words :
sql>alter database datafile '<file>' autoextend, recursive sql level 1ora-01655, oracle database 10g, extend table sys, extend cluster sys, existing free space, free space calculated, <size> maxsize <size>, tablespace system reason, database upgrade
Related Notes :
| 905279 | DBUA/Upgrade to 10g: upgrade.xml is not a valid XML file |
| 839532 | DBUA/upgrade to 10.1: ORA-01555 |
| 839531 | DBUA/Upgrade to 10.1: ORA-01628 |
| 829483 | Oracle Upgrade to 10g Release 1 (10.1) on Windows |