( ! ) Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /var/www/html/gestion-escuelas/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
( ! ) Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /var/www/html/gestion-escuelas/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php on line 9
Call Stack
#	Time	Memory	Function	Location
1	0.0003	581728	{main}( )	.../RelsRibbon.php:0