Importing BRF file in NAV 2017 getting an error

Hi

I am trying to import the NAB brf file into NAV 2017 using xmlport and getting following error:

'.', hexadecimal value 0x00, is an invalid character. Line 1, position 454.

I have changed the property of TextEncoding to MS-DOS, UTF-8 and 16 but still not working.

Any help would be appreciated.

Thanks.