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Fatal error: Uncaught ValueError: Path cannot be empty in /var/www/html/tijmr_ojs/lib/pkp/classes/scheduledTask/ScheduledTask.php:128 Stack trace: #0 /var/www/html/tijmr_ojs/lib/pkp/classes/scheduledTask/ScheduledTask.php(128): fopen() #1 /var/www/html/tijmr_ojs/lib/pkp/classes/scheduledTask/ScheduledTask.php(163): PKP\scheduledTask\ScheduledTask->addExecutionLogEntry() #2 /var/www/html/tijmr_ojs/plugins/generic/acron/AcronPlugin.php(281): PKP\scheduledTask\ScheduledTask->execute() #3 /var/www/html/tijmr_ojs/plugins/generic/acron/AcronPlugin.php(195): APP\plugins\generic\acron\AcronPlugin->_shutdownFunction() #4 [internal function]: APP\plugins\generic\acron\AcronPlugin->APP\plugins\generic\acron\{closure}() #5 {main} thrown in /var/www/html/tijmr_ojs/lib/pkp/classes/scheduledTask/ScheduledTask.php on line 128