<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/1f/c3/1fc3c933801590c2aec8331b065c7b6fc15e40d6): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/7a/85/7a857ff73246a85b8d4012aabf6a6e01f9173721): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/f6/1e/f61e9155f89ac6f8f903842f6186d3c2b0533354): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/f6/1e/f61e9155f89ac6f8f903842f6186d3c2b0533354): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/4f/58/4f5830c10c00fffecb2e6124d1df5d2163673d93): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/4f/58/4f5830c10c00fffecb2e6124d1df5d2163673d93): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/4f/58/4f5830c10c00fffecb2e6124d1df5d2163673d93): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/4f/58/4f5830c10c00fffecb2e6124d1df5d2163673d93): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<br />
<b>Warning</b>:  file_put_contents(/home/ppmj/public_html/cache/opcache/b8/f3/b8f301812977bbc59dad1b8d1897f415061f1266): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php</b> on line <b>204</b><br />
<div class="csl-bib-body">
  <div class="csl-entry">“Bacterial blight disease caused by Pseudomonas cichorii on chrysanthemum in Egypt” (2019) <i>Journal of Phytopathology and Disease Management</i>, 6(1), pp. 11–23. Available at: <a href="https://www.ppmj.net/index.php/ppdj/article/view/184">https://www.ppmj.net/index.php/ppdj/article/view/184</a> (Accessed: 8 August 2026).</div>
</div><br />
<b>Warning</b>:  fopen(/home/ppmj/public_html/cache/opcache/f1/d0/f1d023de2d739c7f72fdd63066213d9814d752d6): Failed to open stream: Disk quota exceeded in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/LockableFile.php</b> on line <b>69</b><br />
<br />
<b>Fatal error</b>:  Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, bool given in /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/LockableFile.php:153
Stack trace:
#0 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/LockableFile.php(153): flock()
#1 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Cache/FileStore.php(111): Illuminate\Filesystem\LockableFile-&gt;getExclusiveLock()
#2 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Cache/FileLock.php(14): Illuminate\Cache\FileStore-&gt;add()
#3 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Cache/Lock.php(91): Illuminate\Cache\FileLock-&gt;acquire()
#4 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Console/Scheduling/CacheEventMutex.php(66): Illuminate\Cache\Lock-&gt;get()
#5 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Console/Scheduling/ManagesAttributes.php(152): Illuminate\Console\Scheduling\CacheEventMutex-&gt;exists()
#6 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(36): Illuminate\Console\Scheduling\Event-&gt;Illuminate\Console\Scheduling\{closure}()
#7 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Util.php(43): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}()
#8 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(83): Illuminate\Container\Util::unwrapIfClosure()
#9 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(35): Illuminate\Container\BoundMethod::callBoundMethod()
#10 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Container/Container.php(696): Illuminate\Container\BoundMethod::call()
#11 /home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Console/Scheduling/Event.php(334): Illuminate\Container\Container-&gt;call()
#12 /home/ppmj/public_html/lib/pkp/classes/scheduledTask/ScheduleTaskRunner.php(65): Illuminate\Console\Scheduling\Event-&gt;filtersPass()
#13 /home/ppmj/public_html/lib/pkp/classes/scheduledTask/PKPScheduler.php(152): PKP\scheduledTask\ScheduleTaskRunner-&gt;run()
#14 /home/ppmj/public_html/lib/pkp/classes/core/ScheduleServiceProvider.php(88): PKP\scheduledTask\PKPScheduler-&gt;runWebBasedScheduleTaskRunner()
#15 [internal function]: PKP\core\ScheduleServiceProvider-&gt;PKP\core\{closure}()
#16 {main}
  thrown in <b>/home/ppmj/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Filesystem/LockableFile.php</b> on line <b>153</b><br />