Fatal error: Uncaught exception 'Exception' with message 'TCPDF ERROR: Incorrect unit: p' in /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/tcpdf/tcpdf.php:2898 Stack trace: #0 /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/tcpdf/tcpdf.php(2024): TCPDF->Error('Incorrect unit:...') #1 /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/tcpdf/tcpdf.php(1899): TCPDF->setPageUnit('P') #2 /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/wp-post-to-pdf-enhanced.php(268): TCPDF->__construct(NULL, 'P', 'LETTER', true, 'UTF-8', false) #3 /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/wp-post-to-pdf-enhanced.php(147): wpptopdfenh->generate_pdf_file(6) #4 [internal function]: wpptopdfenh->generate_pdf(Object(WP)) #5 /var/www/html/notes/wp-includes/class-wp-hook.php(286): call_user_func_array(Array, Array) #6 /var/www/html/notes/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #7 /var/www/html/notes/wp-includes/plugin.php(515) in /var/www/html/notes/music-cabinet/plugins/wp-post-to-pdf-enhanced/tcpdf/tcpdf.php on line 2898