Solution : https://service.sap.com/sap/support/notes/90373 (SAP Service marketplace login required)
Key words : 
additional key words tip, reservations/dependent requirement/customer requirements, symptom dependent requirement/reservations, lm61xf30 reservations/dependent requirements, generated planned independent requirement, internal table mdpsx created, planned independent requirements version, dependent requirement/reservations, planned independent requirement, planned independent requirements
Related Notes : 
       
| 213718 | Note 90373 does only partially exist | 
| 127370 | Flexible Plan. Indep. Reqmts Consump. II Modification | 
| 77142 | Informatn, interprtn, consmptn indicator, planning |