PayPal Payment option doesnt show on Checkout

Hello. Both PayPal and Bank Payment methods are activated, but, Only Bank payment is visible on Checkout. The website is www.temay.net/index.php?option=com_hikas...y_pathway=12&lang=en

500 - JDatabaseMySQL::query: 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND jf_content.published=1 AND jf_content.reference_id IN(2,3,4,5,20,21,6,10,' at line 4 SQL=SELECT jf_content.reference_field, jf_content.value, jf_content.reference_id, jf_content.original_value FROM tem_jf_content AS jf_content WHERE jf_content.language_id= AND jf_content.published=1 AND jf_content.reference_id IN(2,3,4,5,20,21,6,10,15,18,19,32,7,8,9,22,12,11,13,24,23,25,14,17,16,33,35,36) AND jf_content.reference_table='menu'

I've fixed the joomfish bug. There are no more errors, but still, PayPal option isn't present. I've activated Check Payment too. That isn't displayed either. The debug is still active.

Thank you very much.

Now the cart gets empty if you add to cart and navigate away. Why's that?

If you add a product into the shopping cart, then you browse to another page, for example, you browse the products agan to add more products to your cart, that product you just added is removed from the shopping cart.