Error: Class 'Less_Parser' not found in /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Css/PreProcessor/Adapter/Less/Processor.php:69
Stack trace:
#0 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/PreProcessor/AlternativeSource.php(156): Magento\Framework\Css\PreProcessor\Adapter\Less\Processor->processContent()
#1 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/PreProcessor/AlternativeSource.php(114): Magento\Framework\View\Asset\PreProcessor\AlternativeSource->processContent()
#2 /var/www/html/demo53.mageindia.co.in/vendor/magento/module-developer/Model/View/Asset/PreProcessor/PreprocessorStrategy.php(78): Magento\Framework\View\Asset\PreProcessor\AlternativeSource->process()
#3 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/PreProcessor/Pool.php(77): Magento\Developer\Model\View\Asset\PreProcessor\PreprocessorStrategy->process()
#4 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/Source.php(152): Magento\Framework\View\Asset\PreProcessor\Pool->process()
#5 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/Source.php(121): Magento\Framework\View\Asset\Source->preProcess()
#6 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/File.php(185): Magento\Framework\View\Asset\Source->getContent()
#7 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/MergeStrategy/Direct.php(81): Magento\Framework\View\Asset\File->getContent()
#8 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/MergeStrategy/Direct.php(60): Magento\Framework\View\Asset\MergeStrategy\Direct->composeMergedContent()
#9 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/MergeStrategy/Checksum.php(79): Magento\Framework\View\Asset\MergeStrategy\Direct->merge()
#10 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/Merged.php(111): Magento\Framework\View\Asset\MergeStrategy\Checksum->merge()
#11 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Asset/Merged.php(177): Magento\Framework\View\Asset\Merged->initialize()
#12 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Page/Config/Renderer.php(420): Magento\Framework\View\Asset\Merged->rewind()
#13 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Page/Config/Renderer.php(297): Magento\Framework\View\Page\Config\Renderer->renderAssetHtml()
#14 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Page/Config/Renderer.php(284): Magento\Framework\View\Page\Config\Renderer->renderAssetGroup()
#15 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\Page\Config\Renderer->renderAssets()
#16 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\Page\Config\Renderer\Interceptor->___callParent()
#17 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Page\Config\Renderer\Interceptor->Magento\Framework\Interception\{closure}()
#18 /var/www/html/demo53.mageindia.co.in/generated/code/Magento/Framework/View/Page/Config/Renderer/Interceptor.php(23): Magento\Framework\View\Page\Config\Renderer\Interceptor->___callPlugins()
#19 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Page/Config/Renderer.php(137): Magento\Framework\View\Page\Config\Renderer\Interceptor->renderAssets()
#20 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Result/Page.php(250): Magento\Framework\View\Page\Config\Renderer->renderHeadContent()
#21 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/View/Result/Layout.php(171): Magento\Framework\View\Result\Page->render()
#22 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\View\Result\Layout->renderResult()
#23 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\View\Result\Page\Interceptor->___callParent()
#24 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\View\Result\Page\Interceptor->Magento\Framework\Interception\{closure}()
#25 /var/www/html/demo53.mageindia.co.in/generated/code/Magento/Framework/View/Result/Page/Interceptor.php(23): Magento\Framework\View\Result\Page\Interceptor->___callPlugins()
#26 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/App/Http.php(120): Magento\Framework\View\Result\Page\Interceptor->renderResult()
#27 /var/www/html/demo53.mageindia.co.in/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->launch()
#28 /var/www/html/demo53.mageindia.co.in/pub/index.php(30): Magento\Framework\App\Bootstrap->run()
#29 {main}