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More information about the publishing system, Platform and Workflow by OMP/PKP.

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Warning: file_put_contents(/usageStats/salt): Failed to open stream: No such file or directory in /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/statistics/PKPStatisticsHelper.php on line 159

Warning: mkdir(): Permission denied in /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/file/FileManager.php on line 418

Warning: fopen(/usageStats/usageEventLogs/usage_events_20251205.log): Failed to open stream: No such file or directory in /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/observers/listeners/LogUsageEvent.php on line 103

Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/observers/listeners/LogUsageEvent.php:104 Stack trace: #0 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/observers/listeners/LogUsageEvent.php(104): flock(false, 2) #1 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/observers/listeners/LogUsageEvent.php(54): PKP\observers\listeners\LogUsageEvent->logUsageEvent('{"time":"2025-1...') #2 /home/eleyon/public_html/book.eleyon.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php(441): PKP\observers\listeners\LogUsageEvent->handle(Object(APP\observers\events\UsageEvent)) #3 /home/eleyon/public_html/book.eleyon.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php(249): Illuminate\Events\Dispatcher->Illuminate\Events\{closure}('APP\\observers\\e...', Array) #4 /home/eleyon/public_html/book.eleyon.org/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(451): Illuminate\Events\Dispatcher->dispatch('APP\\observers\\e...') #5 /home/eleyon/public_html/book.eleyon.org/pages/index/IndexHandler.php(156): event(Object(APP\observers\events\UsageEvent)) #6 /home/eleyon/public_html/book.eleyon.org/pages/index/IndexHandler.php(69): APP\pages\index\IndexHandler->_displayPressIndexPage(Object(APP\press\Press), Object(APP\core\Request)) #7 [internal function]: APP\pages\index\IndexHandler->index(Array, Object(APP\core\Request)) #8 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/core/PKPRouter.php(334): call_user_func(Array, Array, Object(APP\core\Request)) #9 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false) #10 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route(Object(APP\core\Request)) #11 /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #12 /home/eleyon/public_html/book.eleyon.org/index.php(21): PKP\core\PKPApplication->execute() #13 {main} thrown in /home/eleyon/public_html/book.eleyon.org/lib/pkp/classes/observers/listeners/LogUsageEvent.php on line 104