Warning: fopen(/var/www/www-root/data/www/journals/ijsp.uz/data/usageStats/usageEventLogs/usage_events_20250815.log): Failed to open stream: No space left on device in /var/www/www-root/data/www/journals/ijsp.uz/public/plugins/generic/usageStats/UsageStatsPlugin.inc.php on line 767

Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /var/www/www-root/data/www/journals/ijsp.uz/public/plugins/generic/usageStats/UsageStatsPlugin.inc.php:768 Stack trace: #0 /var/www/www-root/data/www/journals/ijsp.uz/public/plugins/generic/usageStats/UsageStatsPlugin.inc.php(768): flock(false, 2) #1 /var/www/www-root/data/www/journals/ijsp.uz/public/plugins/generic/usageStats/UsageStatsPlugin.inc.php(403): UsageStatsPlugin->_writeUsageEventInLogFile(Array) #2 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/plugins/HookRegistry.inc.php(107): UsageStatsPlugin->logUsageEvent('TemplateManager...', Array) #3 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/plugins/generic/usageEvent/PKPUsageEventPlugin.inc.php(125): HookRegistry::call('UsageEventPlugi...', Array) #4 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/plugins/HookRegistry.inc.php(107): PKPUsageEventPlugin->getUsageEvent('TemplateManager...', Array) #5 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/template/PKPTemplateManager.inc.php(1168): HookRegistry::call('TemplateManager...', Array) #6 /var/www/www-root/data/www/journals/ijsp.uz/public/pages/article/ArticleHandler.inc.php(320): PKPTemplateManager->display('frontend/pages/...') #7 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/core/PKPRouter.inc.php(395): ArticleHandler->view(Array, Object(Request)) #8 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(Request), Array, false) #9 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route(Object(Request)) #10 /var/www/www-root/data/www/journals/ijsp.uz/public/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch(Object(Request)) #11 /var/www/www-root/data/www/journals/ijsp.uz/public/index.php(68): PKPApplication->execute() #12 {main} thrown in /var/www/www-root/data/www/journals/ijsp.uz/public/plugins/generic/usageStats/UsageStatsPlugin.inc.php on line 768