Fatal error: Uncaught exception 'Convertio\Exceptions\APIException' with message 'Field `file` is reqired' in /var/www/vhosts/ecomuseum.kz/httpdocs/src/API.php:116 Stack trace: #0 /var/www/vhosts/ecomuseum.kz/httpdocs/src/API.php(158): Convertio\API->rawRequest('POST', '/convert', Array) #1 /var/www/vhosts/ecomuseum.kz/httpdocs/src/Convertio.php(114): Convertio\API->post('/convert', Array) #2 /var/www/vhosts/ecomuseum.kz/httpdocs/src/Convertio.php(170): Convertio\Convertio->rawStart(Array) #3 /var/www/vhosts/ecomuseum.kz/httpdocs/site_pdf.php(31): Convertio\Convertio->startFromURL(NULL, 'pdf') #4 {main} thrown in /var/www/vhosts/ecomuseum.kz/httpdocs/src/API.php on line 116