Solution : https://service.sap.com/sap/support/notes/816806 (SAP Service marketplace login required)
Key words : 
0 sap ecc enterprise extension industry-specific sales enhancements 5, 0 sap ecc enterprise extension supply chain management 5, 0 sap ecc enterprise extension incentive & commission management 5, 0 sap ecc enterprise extension product lifecycle management 5, 0 sap ecc enterprise extension public sector management 5, sap ecc enterprise extension human resources 5, 0 sap ecc enterprise extension financial services 5, activate sap ecc enterprise extension plm 5, 0 sap ecc enterprise extension travel management 5, sap ecc enterprise extensions activation switch reason
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