Solution : https://service.sap.com/sap/support/notes/50816 (SAP Service marketplace login required)
Key words : 
additional key words phantom assembly, form routine swap_provision, form routine swap_processing, phantom assembly, standard sequence, parallel sequence, parallen sequence, transactions ca01, prerequisites precondition, solution corrections
Related Notes : 
       
| 91805 | Phantom assemblies in recipe | 
| 69558 |