32 Chart read write HTML

13:32:31 Load Test from Xlsx file 36writeLineChart1.xlsx
13:32:31 Iterate worksheets looking at the charts
13:32:31 Worksheet: Data
13:32:31 chart1 - "Sales"
13:32:31
13:32:31 lineChart

Fatal error: Uncaught Error: Class 'JpGraph\JpGraph' not found in /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php:53 Stack trace: #0 /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php(41): PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph::init() #1 /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Chart.php(676): PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph->__construct(Object(PhpOffice\PhpSpreadsheet\Chart\Chart)) #2 /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php(705): PhpOffice\PhpSpreadsheet\Chart\Chart->render('/tmp/5df376cf29...') #3 /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php(594): PhpOffice\PhpSpreadsheet\Writer\Html->writeChartInCell(Object(PhpOffice\PhpSpreadsheet\Worksheet\Worksheet), 'A9') #4 /var/www/u0381365/data/www/kgnic.ru in /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php on line 53