Solution : https://service.sap.com/sap/support/notes/640885 (SAP Service marketplace login required)
Key words : 
business transaction item numbers disappear, business transaction item number, program error solution implement, terms recipe workbench, substance view, material view, frml534f04 reason, correction instructions, generation, substances
Related Notes : 
       
| 631420 | RMGMT210: Corrections in Support Package 04 |