Solution : https://service.sap.com/sap/support/notes/1031706 (SAP Service marketplace login required)
Key words :
relevant support package version, support package version, post-run update, terms faglflexa-cost_elem, standard sap system, posting productive data, migration phase 1 documents, field 'cost element', table conversion takes, kstar data element
Related Notes :
| 1039752 | New G/L migration: Restrictions and important information |
| 1036248 | NewGL Migration: Cost element (COST_ELEM) field not filled 1 |