Solution : https://service.sap.com/sap/support/notes/432339 (SAP Service marketplace login required)
Key words :
'customer relationship management -> master data -> basic settings -> define system message characteristics', cross-application components --> sap products --> product category --> define category numbering schemes, crm --> master data --> products --> product category --> define category numbering schemes, application hierarchy_id scheme_id ---------------------------------------------01 r3prodhier r3prodhier02 r3matclass03 r3prodstyp r3prodstyp 2, maintain numbering scheme r3prodhier, numbering scheme r3prodhier maintained, --> hierarchy r3prodhier application purchasing, download customizing object dnl_cust_prod1, numbering scheme r3prodhier, --> hierarchy r3matclass application product
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| 438957 | Middleware consumer entry for EBP 3.0 in the OLTP system |
| 432325 | Category download changes manually created hierarchies |