Description
When block 'Products Search Form' is used for non-products pages there could appear an error:
Notice: Use of undefined constant PRODUCTS_TITLE - assumed 'PRODUCTS_TITLE'
Solution
Download the updated version of the file:
http://www.viart.com/downloads/block_search-4.0.7.zip
Further, extract the 'block_search.php' into 'blocks' folder of your shop replacing an existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.