Solution : https://service.sap.com/sap/support/notes/304460 (SAP Service marketplace login required)
Key words :
basis target release basissource release target release target release target release target release 31i 40b 45a 45b 46a 46b 46c 46d3, sap basis target release, basis target release password 3, basis release>/data/upgrcomp, wp-pi ist bereits installiert, additional key words wp-pi, directory /general/r3server/abap/note, basis release, target releases, losing customer fields table
Related Notes :
| 215609 | Workplace Plug-In: Overview |
| 210839 | WP PI2.10: Add-on installation/delta upgrade |