Solution : https://service.sap.com/sap/support/notes/556986 (SAP Service marketplace login required)
Key words :
=> pi 2001_2_<rel> => pi 2002_1_<relfor, initial version pi 2001_1_<rel>, target pi 2002_1_<rel>, target release 46c sr2, component support packages installed, /3 upgrade including pi, relevant deletion request, support package queues, highest support package, support packages queues
Related Notes :
| 493829 | Composite SAP note: Compatibility of add-ons |
| 160168 | Support Packages for SAP add-ons |
| 33040 | Options in exchange upgrade with add-on |