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Fatal error: Uncaught Exception: FPDF error: Invalid image data in /www/coupon/lib/fpdf/fpdf.php:271 Stack trace: #0 /www/coupon/lib/fpdf/mem_image.php(72): FPDF->Error('Invalid image d...') #1 /www/coupon/lib/fpdf/stw_pdf.php(20): PDF_MemImage->MemImage('', -133.5, -90, 138.5, 95, '') #2 /www/coupon/coupon_webshop_pdf.php(31): STWPdf->RotatedMemImage(180, '', 5, 5, 138.5, 95) #3 /www/coupon/coupon_webshop_pdf.php(105): CouponWebshopPdf->draw(Object(CouponType), '1234', '123456789', '01.01.2017', 'Das ist ein Dem...', 100, '37') #4 /www/coupon/coupon_print.php(130): CouponWebshopPdf->drawDemo('STW_Freizeit_Gu...', '37') #5 /www/coupon/coupon_print.php(26): printCouponDemo('STW_Freizeit_Gu...', '37') #6 {main} thrown in /www/coupon/lib/fpdf/fpdf.php on line 271