Solution : https://service.sap.com/sap/support/notes/425040 (SAP Service marketplace login required)
Key words : 
additional key words va01, attached source code corrections, assigned assembly order network, production scheduling profile, function module co_it_fhm_set, assembly order, distribution document, master data, automatically read, immediately release
Related Notes : 
       
| 175688 | No automatic actions after reading master data |