Solution : https://service.sap.com/sap/support/notes/650115 (SAP Service marketplace login required)
Key words :
symptom reading forecast schedule lines, type /sapapo/gesamt_menge reference table, type /sapapo/real_menge reference table, type /sapapo/original_menge reference table, reading forecast schedule lines, currency/quantity fields tab, /sapapo/reqmt reference field, development class '/sapapo/om', type /sapapo/om_bool optional, '/sapapo/om_customer' function group
Related Notes :
| 862510 | Repairing inconsistent multilevel ATP in liveCache |
| 766827 | Composite SAP note: Performance SCM 4.0 |
| 641556 | Improve performance of read forecast from LC |