Solution : https://service.sap.com/sap/support/notes/101778 (SAP Service marketplace login required)
Key words : 
'purchase order'   'original'       -80'purchase order'   'original'       -20'purchase order'   'reduce'         +20'purchase order'   'reduce'         +30consequently, delivery items           note 204210 rffmtrnsfix corrects delivery schedule items           note 204221 rffmtrn0 conversion, payment docs carried forward10/28/1999 note 180580 fi wrong fiscal yr, 5 release                         doc catg  doc type   special featuresfunds reservation fm        50       11, commitment budget vi  enhanced statistical update vii changed logic, rffms20006/07/2000 enhanced statistical update           note 077726 budget-relevant transaction types, revenue commitment items           note 211937 fi168 change funds commitment           availability, rffmtrns_co abends04/26/2002 note 515794 rffmtrns_co parallel processing08/30/2001 problems due, purchase orders11/25/1999 note 186249 reset cleared items, 'funds commitment'payment transfer fm          02       31funds reservation
Related Notes : 
       
| 1082741 | Migration to ERP 6.0 (EA-PS 6.00) | 
| 862135 | Archiving FM_DOC_FI: Carry forward items skipped | 
| 827329 | Migration EA-PS 2.00 to ERP 5.0 (EA-PS 5.00) | 
| 812856 | Message 'Document is obsolete' in the RFFMRP03 report | 
| 749395 | Problems after FM data conversion of release <4.5B | 
| 669764 | FI-FM migration to R/3 Enterprise (4.7) EA-PS 2.00 | 
| 660298 | Report RFFMCFD1 is not available | 
| 625262 | Use of fund and functional area in CO | 
| 623595 | Problem in funds center sarch help after 4.62/4.7 upgrade | 
| 599987 | Wrong enhancement category FMXCI_CUS, FMXPP_CUS, FMXPG_CUS | 
| 559012 | Commitment Items are not filled during data migration | 
| 539623 | RFFMS200 incorrect Customizing after release upgrade | 
| 515794 | RFFMTNRS_CO cannot be processed in parallel | 
| 498753 | Line item comparison: deleted purchase orders listed | 
| 450464 | RFFMTRNFIX aborts due to double insert | 
| 429225 | Migration FI-FM to SAP R/3 Enterprise Public Services 1.10 | 
| 426740 | Data transfer error to new FM data structures | 
| 411617 | Commitments/actual with value zero is not extracted | 
| 407875 | Reconciliation after FM data transfer to 45B-46C | 
| 377700 | Check for actuals in RFFMTRNS and RFFMTRNS_CO is not working | 
| 373263 | Availability of notes related to Note 101778 | 
| 365109 | RFFMTRNS terminates: 'FMIOI-DUPREC:' | 
| 360667 | RFFMS200: Function settings | 
| 358385 | Missing change documents after upgrade | 
| 354607 | Payment relevant docs nt converted to value type 57 | 
| 350158 | Incorrect update values after upgrade | 
| 335194 | RFFMTRN0:Service orders w/ 0 amounts not upgraded | 
| 333281 | RFFMRC00/04 do not display Errors with 0.00 value | 
| 322522 | RFFMRC00/04 do not display Errors with 0.00 value | 
| 318672 | RFFMTRNSFIX: Improve performance | 
| 312855 | Warning message missing if rel.upgrade w/o RFFMTRNS | 
| 310027 | Correction of "inventory comm. items" for RFFMS200 | 
| 308509 | RFFMTRN0-Discrepency in displayed output | 
| 308112 | RFFMRC05 dumps: RSQL error 13 when access table "FMSU" | 
| 307909 | Field overflow in RFFMTRNS (COMPUTE_BCD_OVERFLOW) | 
| 304651 | Parked documents after data conversion to 4.5B | 
| 300192 | RFFMRC04 does not create total entries of amount 0 | 
| 217205 | Reverse commitmnts carryfwd after data convsn 4.5 | 
| 213832 | Deletion data from the tables FMCFSIO/FMCFSIF | 
| 213686 | RFFMRC04 & RFFMRC00: BCD_FIELD_OVERFLOW short dump | 
| 212555 | RFFMRC12 does not create all document headers | 
| 211937 | FI168 on changing funds commitment w/ revenue item | 
| 204221 | RFFMTRN0-Allow conversion of zero amount docs | 
| 204210 | RFFMTRNSFIX-Corrects delivery schedule items(RFETE) | 
| 201539 | RFFMTRNS: Delivery items only set for purchase ords | 
| 193650 | RFFMEP1A: Transaction is not displayed correctly | 
| 183125 | Executing RFFMS200 after data conversion to 4.5B | 
| 182668 | Missing commitments/actual values after upgrade | 
| 182486 | Purchase orders with double or multiple lines | 
| 180845 | Incor.amounts for payment documents carried forward | 
| 180580 | Incorect FI fiscal year of converted payment docs | 
| 179478 | Data conversion in Release 4.5:Commitment carr.fwd | 
| 177950 | Cannot display FM Documents derived from CO documents | 
| 176823 | Reverse commtmt carry fwd after data conversn 4.5 | 
| 176578 | Documents without headers in FM | 
| 176438 | Incorrect entries through change after FYC reversal | 
| 175652 | RFFMDLFM short dump SAPSQL_DELETE_TAB_TOO_SMALL | 
| 174863 | RFFMTRNS: Not all new FI header fields transferred | 
| 174529 | Selected documents are not converted | 
| 174518 | RFFMCFTR: incorrect documents FCABP NOT FOUND | 
| 174511 | RFFMS012: Wrong (paying)company code updated in totals | 
| 174310 | Upgrade Release 4.5: Conversion of CO data in FM | 
| 174308 | RFFMUD01: Too high bdgt increase after RFFMTRNS run | 
| 172507 | RFFMS012: deletes funds c/f data in update mode | 
| 172483 | Upgrade >=4.5:upgrade 4.5:enhancements of FM tables | 
| 172048 | RFFMS012: Fund not filled in totals for CO posting | 
| 172047 | Wrong open items after data conversion (4.5B) | 
| 171448 | New deletion reports for Funds Management | 
| 171326 | Migration integration: Amount type set incorrectly | 
| 170842 | Deletion report for CO data in fundsmanagement | 
| 170159 | Error after having transferred fm data to the new structure | 
| 168934 | Converting FM data structures: amt type is missing | 
| 168441 | RFFMRC00/04 don`t detect missing FM totals (Table FMIT) | 
| 167902 | Wrong conversion for value type 58 and 60 to 66 in RFFMTRNS | 
| 165652 | Performance: BPINDX03 | 
| 163205 | Comparison report RFFMRC05:version of Sept 08, 1999 | 
| 161918 | Short dump with TABLE_HAS_NO_MEMORY in RFFMRC00 | 
| 158044 | No display of FM documents after data conversion | 
| 157098 | RFFMTRNS terminates if duplicate entries exists. | 
| 155066 | RFFMS012: Excess entries during CO integration | 
| 146937 | Incorrect entries for update profile 101 | 
| 139211 | Fields in update tables not filled | 
| 132640 | Archiving for Funds Management (FCABP, FMSU) | 
| 123203 | Error when accessing CO funds resvtns after upgrade | 
| 122522 | Call RFFMRC04 in the background |