Warning: imagecreatefromstring(): gd-png: libpng warning: Interlace handling should be turned on when using png_read_image in /home/sbj2/www/wp-content/plugins/dk-pdf/vendor/mpdf/mpdf/src/Image/ImageProcessor.php on line 497
Fatal error: Uncaught Mpdf\MpdfException: Data has already been sent to output, unable to output PDF file in /home/sbj2/www/wp-content/plugins/dk-pdf/vendor/mpdf/mpdf/src/Mpdf.php:9292
Stack trace:
#0 /home/sbj2/www/wp-content/plugins/dk-pdf/includes/dkpdf-functions.php(212): Mpdf\Mpdf->Output('JBB\xEF\xBC\x9A\xE4\xBC\x9A\xE5\x93\xA1\xE7\x94\xA8...', 'I')
#1 /home/sbj2/www/wp-includes/class-wp-hook.php(324): dkpdf_output_pdf(Object(WP))
#2 /home/sbj2/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#3 /home/sbj2/www/wp-includes/plugin.php(565): WP_Hook->do_action(Array)
#4 /home/sbj2/www/wp-includes/class-wp.php(830): do_action_ref_array('wp', Array)
#5 /home/sbj2/www/wp-includes/functions.php(1336): WP->main('')
#6 /home/sbj2/www/wp-blog-header.php(16): wp()
#7 /home/sbj2/www/index.php(17): require('/home/sbj2/www/...')
#8 {main}
thrown in /home/sbj2/www/wp-content/plugins/dk-pdf/vendor/mpdf/mpdf/src/Mpdf.php on line 9292