Solution : https://service.sap.com/sap/support/notes/312888 (SAP Service marketplace login required)
Key words :
additional key words eg97, enter meter readings, program error, import aop027, independent validation, validation, certification, prerequisites
Related Notes :
308155 | Collective note for IS-U/CCS 1.2 - add-on SP 027 |
165359 | Validation of certification meter readings |