Login to cPanel and click on 'Legacy File Manger'
Click on:
- Public_html
- cgi-bin
- auction
- config.pl
Now chose to edit your config.pl file. (editor will open in a new window)
Locate the following part of the script and amend the value highlighted in RED
##################################################
# PayPal.com setup turn $config{'paypal'} = 'off'; to on
# This allows your users to pay their item posting fees if any
# If you have a PayPal Account
$config{'paypal'} = 'on';
$config{'paypalacc'} = 'billing@yourdomain.com';
And click on 'Save'