35 Chart render

07:23:19 Load Test from Xlsx file 32readwriteAreaChart1.xlsx
07:23:19 Iterate worksheets looking at the charts
07:23:19 Worksheet: Data
07:23:19 chart1 - "Sales"

Fatal error: Uncaught Error: Class 'JpGraph\JpGraph' not found in /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php:53 Stack trace: #0 /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php(41): PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph::init() #1 /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Chart.php(676): PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph->__construct(Object(PhpOffice\PhpSpreadsheet\Chart\Chart)) #2 /home/bitrix/ext_www/retender.ru/export/samples/Chart/35_Chart_render.php(62): PhpOffice\PhpSpreadsheet\Chart\Chart->render('/tmp/phpspreads...') #3 {main} thrown in /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php on line 53