Warning: woo-commerce

I need a help about woo-commerce, After installing woo-commerce plugin it show me this Warning, Isn’t bad for my web :
Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘woocommerce_price_filter_init’ not found or invalid function name in C:\xampp\htdocs\bazar\wp-includes\plugin.php on line 406