3471587 - Group Reporting: Conversion overflow ABAP dump on execution of Calculate Group Shares task

Symptoms addressed by this article (A. and B.):

1. By running Calculate Group Shares task in Consolidation Monitor app, runtime error BCD_FIELD_OVERFLOW occurs with exception CX_SY_CONVERSION_OVERFLOW in CL_FINCS_COI_READ class and method IF_FINCS_COI_READ~READ_INVESTMENT at the following line:
         ls_inv-bunit = ls_acdocu_inv-rbunit.
         ls_inv-buptr = ls_acdocu_inv-rbuptr.
    
   >>>>>      ls_inv-pcnt1 = ls_acdocu_inv-msl.
         ls_inv-bkvlc = ls_acdocu_inv-hsl.
         ls_inv-bkvrc = ls_acdocu_inv-ksl.
   
   
2. By running Consolidation of Investment task in Consolidation Monitor app, runtime error CONVT_OVERFLOW occurs with exception CX_SY_CONVERSION_OVERFLOW in form  COI_SHARE_CALC2, include LFC06U04 (program SAPLFC06), at the following line:
    * refill share
      REFRESH IT_SHARE.
      LOOP AT IT_F INTO A_F.
        READ TABLE IT_SHARE_INT INTO A_SHARE_INT INDEX SY-TABIX.
        A_SHARE-COICU = A_SHARE_INT-COICU.
   >>>     A_SHARE-PCNT1 = <AF>-PCNT1 * CON_100_F.
        A_SHARE-PCNT2 = <AF>-PCNT2 * CON_100_F.

SAP S/4HANA Cloud Private Edition, SAP S/4HANA Finance for Group Reporting

KBA , FIN-CS-COR-COI , Consolidation of Investments , Problem