0137 "Formal error: Payment difference given without items to be cleared".

i have problem bapi

BAPI_CTRACCTRCTACCNT_PAYBYCARD

i use a bapi to select  the open items (BAPI_CTRACCONTRACTACCOUNT_GOI) and then

Via the component ITEM_ACTIVATED, you can select the items to be cleared. In

    the component CLEARING_AMOUNT specify the clearing amount.

for exemple:

in cardpayment

amount 95,00

in openitems

AMOUNT_LOC_CURR                                      95,0000

AMOUNT                                               95,0000

AMOUNT_PAR2_CURR                                      0,0000

AMOUNT_PAR3_CURR                                      0,0000

DISCOUNT_BASE                                        95,0000

TAX_AMOUNT_LOC_CURR                                   0,0000

TAX_AMOUNT                                            0,0000

TAX_AMOUNT_PAR2_CURR                                  0,0000

TAX_AMOUNT_PAR3_CURR                                  0,0000

CLEARING_AMOUNT                                      95,0000

CLEARING_AMOUNT_LOC                                   0,0000

CLEARING_AMOUNT_PAR2                                  0,0000

CLEARING_AMOUNT_PAR3                                  0,0000

CLEARING_AMOUNT_OITEM                                 0,0000

NET_CL_AMOUNT                                         0,0000

NET_CL_AMOUNT_LOC                                     0,0000

NET_CL_AMOUNT_PAR2                                    0,0000

NET_CL_AMOUNT_PAR3                                    0,0000

NET_CL_AMOUNT_OITEM                                   0,0000

DISCOUNT_AMOUNT                                       0,0000

DISCOUNT_AMOUNT_LOC                                   0,0000

DISCOUNT_AMOUNT_PAR2                                  0,0000

DISCOUNT_AMOUNT_PAR3                                  0,0000

DISCOUNT_AMOUNT_OITEM                                 0,0000

PROP_DISC_AMOUNT                                      0,0000

PROP_DISC_AMOUNT_LOC                                  0,0000

Can u help???

Thank u EB