Solution : https://service.sap.com/sap/support/notes/635552 (SAP Service marketplace login required)
Key words :
sql> alter tablespace <temp_tsp> add tempfile '<temp_file>', symptom oracle temporary tablespaces, complete offline backup, locally managed tablespaces, oracle recovery manager, save temporary tablespaces, temporary files manually, temporary tablespaces, oracle point, backup_type = offline
Related Notes :
| 1464091 | Minor functional enhancements in BR*Tools (3) |
| 683075 | Oracle9i: Default Temporary Tablespace |
| 659946 | FAQ: Temporary tablespaces |
| 416782 | Support of Oracle TEMPORARY tablespaces in BRBACKUP |