Solution : https://service.sap.com/sap/support/notes/358385 (SAP Service marketplace login required)
Key words : 
additional key words earmarked funds, receive message re076, attached correction program, display change documents, earmarked funds, funds commitment, funds precommitment, change documents, release < release 4, release prior
Related Notes : 
       
| 325130 | Conversion of Tables EDIDOC & CDCLS, Rel. 4.6C/D | 
| 199037 | Change documents are lost after upgrade to 4.6A/B | 
| 141465 | Conversion of tables EDIDOC & CDCLS, Release 4.5 | 
| 106412 | Conversion of tables EDIDOC & CDCLS, Release 4.0B | 
| 101778 | Conversion of FM data structures as of Version 4.5A |