Affiliate link only works if pointed to root dir

Hello,

For some reason the affiliation ID link only works if pointed to the root derectory of the website:

http://www.xyz.com/?promo_id=877

http://www.xyz.com/mobile-broadband/product/23-3g-xx-yy-zz/?promo_id=877

Hello again,

I have got it working using this kind of link:

http://www.xyz.com/index.php/mobile-broadband/product/25-3g-xx-yy-zz/?promo_id=877

http://www.xyz.com/any-subfolder/more-sub/even-more-sub/?promo_id=877

I have run the test today again and looks like my previous tests were not good enough.
The first link I have tested yesterday was www.xyz.com/?promo_id=877 which works anyway, so the cookie was created. Obviusly any other link I have tested after that was working fine, because I did not clear the cache and cookies before I was testing another link.

The problem is that none of the links actually work together with Affiliate ID prefix apart of root folder link (i.e. www.xyz.com/?promo_id=877 )!

I really need to make it working with any product page URL within the website.

Please advice.

Ok, Looks like this was solved in version 1.5.5 as it says in a description:
'The cookie for the affiliate system was not working properly when the banner URLs were SEFed'

Since I am using 1.5.4 the problem is still there... Sorry I did not mention about this!

May I have the names of files which were actually changed to fix the issue and I will try to transfer the fix to my version?

Or if it is just 'a few lines of code here and there' solution, please provide me with some pieces of code and instructions where to copy/paste?

Thanx a lot!

Solved by updating the file to latest (1.5.6) version.

Thanx a lot!