Solution : https://service.sap.com/sap/support/notes/99414 (SAP Service marketplace login required)
Key words :
create information structure sxxx, information structure sxxx back, delete information structure sxxx, information structure sxxx, information structure s120, info structure s120, additional key words, fields remain empty, release upgrade enormously, delete/archive
Related Notes :
| 76431 | Measures for optimizimg the upgrade runtime 4.x |