Index Copernicus plugin for OJS 3.3.0.X

Yes, Please try and inform me

Hi, @Surojit_Bera I have tried with OJS-3.4.0-5 and the Installed Plugin is stuck and spinning. Below mentioned is the error log.

PHP Fatal error:  Uncaught Error: Class "AppLocale" not found in \ojs3405\plugins\importexport\copernicus\CopernicusExportPlugin.inc.php:32
Stack trace:
#0 \ojs3405\lib\pkp\classes\plugins\PluginRegistry.php(76): CopernicusExportPlugin->register('importexport', 'plugins/importe...', NULL)
#1 \ojs3405\lib\pkp\classes\plugins\PluginRegistry.php(121): PKP\plugins\PluginRegistry::register('importexport', Object(CopernicusExportPlugin), 'plugins/importe...', NULL)
#2 [internal function]: PKP\plugins\PluginRegistry::PKP\plugins\{closure}(Object(CopernicusExportPlugin), 'plugins/importe...')
#3 \ojs3405\lib\pkp\classes\plugins\PluginRegistry.php(121): array_walk_recursive(Array, Object(Closure))
#4 \ojs3405\lib\pkp\classes\controllers\grid\plugins\PluginGridHandler.php(194): PKP\plugins\PluginRegistry::loadCategory('importexport')
#5 \ojs3405\controllers\grid\settings\plugins\SettingsPluginGridHandler.php(49): PKP\controllers\grid\plugins\PluginGridHandler->loadCategoryData(Object(APP\core\Request), 'importexport', Array)
#6 \ojs3405\lib\pkp\classes\controllers\grid\CategoryGridHandler.php(148): APP\controllers\grid\settings\plugins\SettingsPluginGridHandler->loadCategoryData(Object(APP\core\Request), 'importexport', Array)
#7 \ojs3405\lib\pkp\classes\controllers\grid\CategoryGridHandler.php(540): PKP\controllers\grid\CategoryGridHandler->getGridCategoryDataElements(Object(APP\core\Request), 'importexport')
#8 \ojs3405\lib\pkp\classes\controllers\grid\CategoryGridHandler.php(517): PKP\controllers\grid\CategoryGridHandler->_renderCategoryInternally(Object(APP\core\Request), Object(PKP\controllers\grid\plugins\PluginCategoryGridRow))
#9 \ojs3405\lib\pkp\classes\controllers\grid\CategoryGridHandler.php(322): PKP\controllers\grid\CategoryGridHandler->_renderCategoriesInternally(Object(APP\core\Request))
#10 \ojs3405\lib\pkp\classes\controllers\grid\GridHandler.php(735): PKP\controllers\grid\CategoryGridHandler->doSpecificFetchGridActions(Array, Object(APP\core\Request), Object(APP\template\TemplateManager))
#11 [internal function]: PKP\controllers\grid\GridHandler->fetchGrid(Array, Object(APP\core\Request))
#12 \ojs3405\lib\pkp\classes\core\PKPRouter.php(334): call_user_func(Array, Array, Object(APP\core\Request))
#13 \ojs3405\lib\pkp\classes\core\PKPComponentRouter.php(291): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array)
#14 \ojs3405\lib\pkp\classes\core\Dispatcher.php(165): PKP\core\PKPComponentRouter->route(Object(APP\core\Request))
#15 \ojs3405\lib\pkp\classes\core\PKPApplication.php(388): PKP\core\Dispatcher->dispatch(Object(APP\core\Request))
#16 \ojs3405\index.php(21): PKP\core\PKPApplication->execute()
#17 {main}
  thrown in \ojs3405\plugins\importexport\copernicus\CopernicusExportPlugin.inc.php on line 32