Catalog page won't redirect to cart, but items selected show up in cart
Have two pages. First is online catalog with about 50 items. When add to cart button is hit nothing happens visibly, but item shows up in cart. The following error message appears above the catalog page:
Warning: Cannot modify header information - headers already sent by (output started at /home/davcow9/InnerchoicePublishing.com/books.php:2039) in /home/davcow9/InnerchoicePublishing.com/books.php on line 2042.
Here's the code associated with this warning