Meu OJs, começou a da erro 500, habilitei o log e me retorno seguinte erro:
Fatal error: Uncaught Error: Class “PKP\file\FileManager” not found in /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/file/PKPPublicFileManager.php:21 Stack trace: #0 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/lib/vendor/composer/ClassLoader.php(576): include() #1 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/lib/vendor/composer/ClassLoader.php(427): Composer\Autoload{closure}() #2 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/classes/file/PublicFileManager.php(22): Composer\Autoload\ClassLoader->loadClass() #3 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/lib/vendor/composer/ClassLoader.php(576): include(‘/home/u20769145…’) #4 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/lib/vendor/composer/ClassLoader.php(427): Composer\Autoload{closure}() #5 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/classes/template/TemplateManager.php(57): Composer\Autoload\ClassLoader->loadClass() #6 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/template/PKPTemplateManager.php(1441): APP\template\TemplateManager->initialize() #7 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/Plugin.php(403): PKP\template\PKPTemplateManager::getManager() #8 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/Plugin.php(137): PKP\plugins\Plugin->_registerTemplateResource() #9 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/LazyLoadPlugin.php(34): PKP\plugins\Plugin->register() #10 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(39): PKP\plugins\LazyLoadPlugin->register() #11 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/PluginRegistry.php(76): APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->register() #12 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/PluginRegistry.php(121): PKP\plugins\PluginRegistry::register() #13 [internal function]: PKP\plugins\PluginRegistry::PKP\plugins{closure}() #14 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/plugins/PluginRegistry.php(121): array_walk_recursive() #15 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory() #16 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #17 /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/index.php(21): PKP\core\PKPApplication->execute() #18 {main} thrown in /home/u207691458/domains/faculdadefam.edu.br/public_html/maratauira/ojs/lib/pkp/classes/file/PKPPublicFileManager.php on line 21