32 Chart read write HTML

06:04:26 Load Test from Xlsx file 36writeLineChart1.xlsx
06:04:26 Iterate worksheets looking at the charts
06:04:26 Worksheet: Data
06:04:26 chart1 - "Sales"
06:04:26
06:04:26 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/5c47d9ba11...') #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