got error while loading transaction file to info cube?

i had two files one is for master data and second one for transaction data.

1st file for master data

Header 1 Header 2 product id product name 101 philips 102 sony 103 lenovo

2nd file for transaction

Header 1 Header 2 Header 2 product id qunatity amount 101 2 5000 102 5 15000 103 3 9000

this were my files the master data file got uploaded succeccfuly

but while loading transaction file to info cube i was creating data source that time i got error

Error 'Unit 500 is not created in language EN...' at conversion exit CONVERSION_EXIT_CUNIT_INPUT (field BASE_UOM record 2, value 500)

what is this please provide me with the proper solution.

thanks in advance

regards,

Rahul pawar