Solution : https://service.sap.com/sap/support/notes/783640 (SAP Service marketplace login required)
Key words :
change extras->enhancement category, customer include ci_ebandb, numeric-type fields, character-type enhancements, solution change, customer enhancement, enhancement category, numeric-type, character-type, numeric-type'
Related Notes :
| 783824 | BAPI_TE_MEPOSCHEDULE: Enhancement category non-classified |
| 485557 | BAPI_REQUISITION_CREATE: 'EXTENSIONIN' customer enhancements |
| 336692 | BAPI_REQUISITION_CREATE: Customer enhancements |