Call to a member function getSiteTemplates() on false

Error:
Call to a member function getSiteTemplates() on false

  at /var/www/html/bhauto/libraries/src/Application/SiteApplication.php:465
  at Joomla\CMS\Application\SiteApplication->getTemplate()
     (/var/www/html/bhauto/libraries/src/Error/Renderer/HtmlRenderer.php:50)
  at Joomla\CMS\Error\Renderer\HtmlRenderer->render()
     (/var/www/html/bhauto/libraries/src/Exception/ExceptionHandler.php:136)
  at Joomla\CMS\Exception\ExceptionHandler::render()
     (/var/www/html/bhauto/libraries/src/Exception/ExceptionHandler.php:73)
  at Joomla\CMS\Exception\ExceptionHandler::handleException()
     (/var/www/html/bhauto/libraries/src/Application/CMSApplication.php:336)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/html/bhauto/includes/app.php:58)
  at require_once('/var/www/html/bhauto/includes/app.php')
     (/var/www/html/bhauto/index.php:32)                

Error:
Class "Joomla\Component\Actionlogs\Administrator\Plugin\ActionLogPlugin" not found

  at /var/www/html/bhauto/plugins/actionlog/joomla/src/Extension/Joomla.php:34
  at include()
     (/var/www/html/bhauto/libraries/vendor/composer/ClassLoader.php:576)
  at Composer\Autoload\{closure}()
     (/var/www/html/bhauto/libraries/vendor/composer/ClassLoader.php:427)
  at Composer\Autoload\ClassLoader->loadClass()
     (/var/www/html/bhauto/libraries/src/Autoload/ClassLoader.php:59)
  at Joomla\CMS\Autoload\ClassLoader->loadClass()
     (/var/www/html/bhauto/plugins/actionlog/joomla/services/provider.php:38)
  at Joomla\DI\ServiceProviderInterface@anonymous/var/www/html/bhauto/plugins/actionlog/joomla/services/provider.php:23$70->{closure}()
     (/var/www/html/bhauto/libraries/vendor/joomla/di/src/ContainerResource.php:172)
  at Joomla\DI\ContainerResource->getInstance()
     (/var/www/html/bhauto/libraries/vendor/joomla/di/src/Container.php:95)
  at Joomla\DI\Container->get()
     (/var/www/html/bhauto/libraries/src/Extension/ExtensionManagerTrait.php:177)
  at Joomla\CMS\Application\CMSApplication->loadExtension()
     (/var/www/html/bhauto/libraries/src/Extension/ExtensionManagerTrait.php:99)
  at Joomla\CMS\Application\CMSApplication->bootPlugin()
     (/var/www/html/bhauto/libraries/src/Plugin/PluginHelper.php:232)
  at Joomla\CMS\Plugin\PluginHelper::import()
     (/var/www/html/bhauto/libraries/src/Plugin/PluginHelper.php:192)
  at Joomla\CMS\Plugin\PluginHelper::importPlugin()
     (/var/www/html/bhauto/plugins/system/actionlogs/src/Extension/ActionLogs.php:52)
  at Joomla\Plugin\System\ActionLogs\Extension\ActionLogs->__construct()
     (/var/www/html/bhauto/plugins/system/actionlogs/services/provider.php:38)
  at Joomla\DI\ServiceProviderInterface@anonymous/var/www/html/bhauto/plugins/system/actionlogs/services/provider.php:23$6e->{closure}()
     (/var/www/html/bhauto/libraries/vendor/joomla/di/src/ContainerResource.php:172)
  at Joomla\DI\ContainerResource->getInstance()
     (/var/www/html/bhauto/libraries/vendor/joomla/di/src/Container.php:95)
  at Joomla\DI\Container->get()
     (/var/www/html/bhauto/libraries/src/Extension/ExtensionManagerTrait.php:177)
  at Joomla\CMS\Application\CMSApplication->loadExtension()
     (/var/www/html/bhauto/libraries/src/Extension/ExtensionManagerTrait.php:99)
  at Joomla\CMS\Application\CMSApplication->bootPlugin()
     (/var/www/html/bhauto/libraries/src/Plugin/PluginHelper.php:232)
  at Joomla\CMS\Plugin\PluginHelper::import()
     (/var/www/html/bhauto/libraries/src/Plugin/PluginHelper.php:192)
  at Joomla\CMS\Plugin\PluginHelper::importPlugin()
     (/var/www/html/bhauto/libraries/src/Application/CMSApplication.php:765)
  at Joomla\CMS\Application\CMSApplication->initialiseApp()
     (/var/www/html/bhauto/libraries/src/Application/SiteApplication.php:643)
  at Joomla\CMS\Application\SiteApplication->initialiseApp()
     (/var/www/html/bhauto/libraries/src/Application/SiteApplication.php:238)
  at Joomla\CMS\Application\SiteApplication->doExecute()
     (/var/www/html/bhauto/libraries/src/Application/CMSApplication.php:306)
  at Joomla\CMS\Application\CMSApplication->execute()
     (/var/www/html/bhauto/includes/app.php:58)
  at require_once('/var/www/html/bhauto/includes/app.php')
     (/var/www/html/bhauto/index.php:32)