Fatal error: Uncaught InvalidArgumentException: File "./invoice/template.xlsx" does not exist. in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php:146
Stack trace:
#0 /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php(115): PhpOffice\PhpSpreadsheet\Shared\File::assertFile('./invoice/templ...')
#1 /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php(84): PhpOffice\PhpSpreadsheet\IOFactory::createReaderForFile('./invoice/templ...')
#2 /var/www/html/index.php(8): PhpOffice\PhpSpreadsheet\IOFactory::load('./invoice/templ...')
#3 {main}
thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php on line 146