Solution : https://service.sap.com/sap/support/notes/949246 (SAP Service marketplace login required)
Key words :
symptom runtime error message_type_x generated, classification module checks, product classification reason, product classification, integration model, classes/charcteristics, class type 400, class type 023, cdp environment, check note 714929
Related Notes :
| 714929 | Changing characteristic and class master data for CDP |