Dear all,
we using the electronic bank statement , and to using the MT940 format to upload the files(tx:FF_5). now i face a problem, how can i to post the bank statement to customer code?

the above file as reference. i went to post the Credit to customer code 10058.
my setting as below.

The 'posting area 1' are work. but for the 'posing area 2' are error. and show
" >>>>>>>> Error: (F5 102) Customer * is not defined in company code Cxxx "


How can i to fix it ,thank you .