Adding Currency in the template

Please let me know hor to add currencies to Ready! Ecommerce v 0.3.3.3, i have tried but it redirects to the home page once i add or create currencies, pleqase help as i have already deleted built in Euro and Dollars and would like to add Taka with the symbol TK for Bangladeshi Taka. Thanks

http://wordpress.org/extend/plugins/ready-ecommerce/