[TYPO3-shop] tt_products 2.4.11 error

[Errol Mars]

I just installed tt_products 2.4.11 and keep getting this error, I'm 
using Typo3 4.0 with php 5


Warning: require_once(PATH_BE_tablelib/class.tx_table_db.php) 
[function.require-once]: failed to open stream: No such file or 
directory in 
/home/urbanhus/public_html/developer/typo3conf/ext/tt_products/pi1/class.tx_ttproducts_pi1.php 
on line 53

Fatal error: require_once() [function.require]: Failed opening required 
'PATH_BE_tablelib/class.tx_table_db.php' 
(include_path='.:/usr/lib/php:/usr/local/lib/php') in 
/home/urbanhus/public_html/developer/typo3conf/ext/tt_products/pi1/class.tx_ttproducts_pi1.php 
on line 53