Solution : https://service.sap.com/sap/support/notes/370394 (SAP Service marketplace login required)
Key words :
tp addtobuffer s30k000018 <sid> tp import s30k000018 <sid>start release 4, tp addtobuffer s11k000012 <sid> tp import s11k000012 <sid>restart, directory /general/r3server/abap/note, highly complex calculations carried, database release upgrade, long-running job, symptom cnv_avoid phase, prepare phase 'dynspcadd', inthe selection list, start release 3
Related Notes :
| 415073 | Termination or very long runtime in prepare phase DYNSPCADD |
| 197901 | Supplement for upgrade to 4.6C and 4.6C SR1/SR2 SAP DB |
| 180456 | Additions to upgrade to 4.6B SAP DB |
| 147563 | Additions upgrade to 4.0B SR ADABAS for R/3 |
| 140431 | Additions upgrade to 4.5B ADABASforR/3 |