Solution : https://service.sap.com/sap/support/notes/82838 (SAP Service marketplace login required)
Key words : 
additional key words, receiving syntax errors, essentially slightly extensive, missing component allocations, corrections require considerably, existing allocations, phantom assemblies, routing operations, longer displayed, production order
Related Notes : 
       
| 143996 | No component allocation for phantom assemblies | 
| 121212 | Component assignment of direct production assmblies | 
| 91179 | Validity of component allocation in prodn. order | 
| 89521 | Batch: Component allocation of phantom assemblies | 
| 83289 | Printing component allocatn of phantom assemblies | 
| 82920 | Component allocation of phantom assemblies (BOM) | 
| 82644 | Component allocation of phantom assemblies (routing) | 
| 81656 | CO01: Component allocation in the collective order | 
| 73259 | CO01: Allocating components to an operation |