When i tried to install the theme, i get this error message

Fatal error: ‘Could not initialize extension file /home/alittlecart/public_html/system/vendor/BurnEngine/extension/also_bought/admin/AlsoBoughtAdminExtension.php‘
in /home/alittlecart/public_html/system/vendor/BurnEngine/library/ResourceLoader.php:266
Stack trace:
#0 system/vendor/BurnEngine/library/Engine.php(288): TB_ResourceLoader->loadExtensionClasses()
#1 system/vendor/BurnEngine/library/AdminDispatcher.php(158): TB_Engine->boot()
#2 system/vendor/BurnEngine/library/AdminDispatcher.php(35): TB_AdminDispatcher->initEngine(0)
#3 system/vendor/BurnEngine/library/AdminDispatcher.php(44): TB_AdminDispatcher->__construct(Object(Registry), ‘BurnEngine’, 0)
#4 system/vendor/BurnEngine/admin/controller/ModuleController.php(164): TB_AdminDispatcher::getInstance(Object(Registry), ‘BurnEngine’, 0)
#5 system/vendor/BurnEngine/admin/controller/ModuleController.php(152): Theme_Admin_ModuleController->getDispatcher()
#6 system/vendor/BurnEngine/admin/controller/ModuleController.php(9): Theme_Admin_ModuleController->getEngine()
#7 [internal function]: Theme_Admin_ModuleController->index()
#8 system/engine/action.php(51): call_user_func_array(Array, Array)
#9 admin/controller/startup/router.php(26): Action->execute(Object(Registry), Array)
#10 [internal function]: ControllerStartupRouter->index()
#11 system/engine/action.php(51): call_user_func_array(Array, Array)
#12 system/engine/front.php(34): Action->execute(Object(Registry))
#13 system/engine/front.php(29): Front->execute(Object(Action))
#14 system/framework.php(103): Front->dispatch(Object(Action), Object(Action))
#15 system/startup.php(124): require_once(‘/home/alittleca…’)
#16 admin/index.php(19): start(‘admin’)
#17 {main}