I downloaded the latest tools.zip and opened up the ISO4217.txt file and noticed the last two lines:
currency | SSP | South Sudanese pound | SS | SOUTH SUDAN | O
currency | BYN | New Belarusian Ruble | BY | BELARUS | 2
Are using space characters instead of tab characters on either side of the pipe |
This is also against the comment at the top of the file:
#To make this file easy to use in a spreadsheet, each | has a tab on each side.