Problem with BPP file (bank format)

Hello experts!

I working with add-on "Electronic file manager".

Standarts BPP files working correctly.

When i created new BPP and tried genarate of bank file i don't had any errors or warnings but output data  wrong.

Example:

Actual result:

Р

Д

С

expected result:

РасчСчет=40000000000000000000                                                                                                                                                                                                                        

Документ=Платежное поручение                                                                                                                                                                                                                                

СекцияДокумент=Платежное поручение

I got only first letter from every line.

Do you have any idea why that happen?

P.S Sap B1 9.1 PL07 localization - RUS

Regards, Denis