32 Chart read write HTML

13:54:38 Load Test from Xlsx file 36writeLineChart1.xlsx
13:54:38 Iterate worksheets looking at the charts
13:54:38 Worksheet: Data
13:54:38 chart1 - "Sales"
13:54:38
13:54:38 lineChart

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/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php(720): PhpOffice\PhpSpreadsheet\Chart\Chart->render('/tmp/5c9761ee85...') #3 /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php(609): PhpOffice\PhpSpreadsheet\Writer\Html->writeChartInCell(Object(PhpOffice\PhpSpreadsheet\Worksheet\Worksheet), 'A9') #4 /home/bitrix/ex in /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php on line 53