prestashop 1.6.1.9 cant open pdf invoices without http 500 erro

[Michstuff]

this is the message i get: Fatal error: Undefined class constant 'TEMPLATE_INVOICE' in /home/credmb1q/public_html/controllers/admin/AdminPdfController.php on line 204

 

What can i do to fix this?

[Michstuff]

line 204 show this: $this->generatePDF($order_invoice, PDF::TEMPLATE_INVOICE);
 

[tuk66]

What is your version?

[Michstuff]

problem is still presisting after upgrading to prestashop 1.6.1.11...

 

( ! ) Fatal error: Uncaught Error: Undefined class constant 'TEMPLATE_INVOICE' in /home/credmb1q/public_html/controllers/admin/AdminPdfController.php on line 204 ( ! ) Error: Undefined class constant 'TEMPLATE_INVOICE' in /home/credmb1q/public_html/controllers/admin/AdminPdfController.php on line 204 Call Stack # Time Memory Function Location 1 0.0003 378944 {main}( ) .../index.php:0 2 0.0870 8293216 DispatcherCore->dispatch( ) .../index.php:58 3 0.1144 10842168 ControllerCore->run( ) .../Dispatcher.php:367 4 0.1474 13493296 AdminPdfControllerCore->postProcess( ) .../Controller.php:178 5 0.1474 13493296 AdminControllerCore->postProcess( ) .../AdminPdfController.php:31 6 0.1476 13494448 AdminPdfControllerCore->processGenerateInvoicePdf( ) .../AdminController.php:915 7 0.1476 13494480 AdminPdfControllerCore->generateInvoicePDFByIdOrderInvoice( ) .../AdminPdfController.php:61

[tuk66]

That constant TEMPLATE_INVOICE is defined in the /classes/pdf/PDF.php file. Can be that you have mixed old and new code?