buyiaito

thanks to the above 2 kind persons. I solved, hope the problem will not appear .

Thank you so much, I will check. that's too headache .

My prestashop is 1.5.6.1 version, when I log in back office, and click any button (for example: click orders), the page will return to "log in page", repeat and repeat, it is very headache, I can't do anything in backoffice, list item, process order etc I don't know what problem it is, hope prestashop expert, or any person met same problem can help me. thank you !

Thank you!!! I soloved the problem with upload the AdminOrders.php (see attachment) via FTP. AdminOrders.php

Sorry for my question, I am newer to Prestashop. I recently found no product info display in order tab backoffice, and same problem in customer order history page. I attached 2 pics, hope anybody can help me, really appreciate !!