Hi all, i have a problem with invoices when i try to generate PDF clicking in the invoice button, appears a white screen without information, i have tried to enable the debug mode, set display errors on, check error logs and no info yet. I can't download the new order invoices but i can download some older. I have some modules for invoices installed, and i tried to disable these modules and generate new orders, but still i get this error. I have tried also cleaning cache, update all modules, and update core to latest version, with no results. My prestashop version is 1.6.1.5 Please help, some recomendation? Thanks, regards.