Warning: fopen(/var/www/html/files-bpostel-online/usageStats/usageEventLogs/usage_events_20240908.log): Failed to open stream: Permission denied in /var/www/html/ojs33018/plugins/generic/usageStats/UsageStatsPlugin.inc.php on line 765

Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /var/www/html/ojs33018/plugins/generic/usageStats/UsageStatsPlugin.inc.php:766 Stack trace: #0 /var/www/html/ojs33018/plugins/generic/usageStats/UsageStatsPlugin.inc.php(766): flock() #1 /var/www/html/ojs33018/plugins/generic/usageStats/UsageStatsPlugin.inc.php(403): UsageStatsPlugin->_writeUsageEventInLogFile() #2 /var/www/html/ojs33018/lib/pkp/classes/plugins/HookRegistry.inc.php(107): UsageStatsPlugin->logUsageEvent() #3 /var/www/html/ojs33018/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php(125): HookRegistry::call() #4 /var/www/html/ojs33018/lib/pkp/classes/plugins/HookRegistry.inc.php(107): PKPUsageEventPlugin->getUsageEvent() #5 /var/www/html/ojs33018/lib/pkp/classes/template/PKPTemplateManager.inc.php(1224): HookRegistry::call() #6 /var/www/html/ojs33018/pages/article/ArticleHandler.inc.php(320): PKPTemplateManager->display() #7 /var/www/html/ojs33018/lib/pkp/classes/core/PKPRouter.inc.php(397): ArticleHandler->view() #8 /var/www/html/ojs33018/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #9 /var/www/html/ojs33018/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #10 /var/www/html/ojs33018/lib/pkp/classes/core/PKPApplication.inc.php(360): Dispatcher->dispatch() #11 /var/www/html/ojs33018/index.php(68): PKPApplication->execute() #12 {main} thrown in /var/www/html/ojs33018/plugins/generic/usageStats/UsageStatsPlugin.inc.php on line 766