Warning: Attempt to read property "classname" on null in /home/odarerl/www/forms/inc/classes/class_orders.php on line 1557

Fatal error: Uncaught Exception: FPDF error: Some data has already been output, can't send PDF file in /home/odarerl/www/forms/inc/fpdf/fpdf.php:271 Stack trace: #0 /home/odarerl/www/forms/inc/fpdf/fpdf.php(1063): FPDF->Error('Some data has a...') #1 /home/odarerl/www/forms/inc/fpdf/fpdf.php(999): FPDF->_checkoutput() #2 /home/odarerl/www/forms/pdf_invoice.php(319): FPDF->Output() #3 {main} thrown in /home/odarerl/www/forms/inc/fpdf/fpdf.php on line 271