error while loading

[nasiridrishi]

pmmp api3alpha9

[11:56:29] [Server thread/CRITICAL]: ErrorException: "mkdir(): Invalid argument" (EXCEPTION) in "DEVirion.phar/src/poggit/virion/devirion/DEVirion" at line 42
[11:56:29] [Server thread/DEBUG]: #0 (): pocketmine\error_handler(integer 2, string mkdir(): Invalid argument, string phar:///home/test/plugins/DEVirion.phar/src/poggit/virion/devirion/DEVirion.php, integer 42, array Array())
[11:56:29] [Server thread/DEBUG]: #1 DEVirion.phar/src/poggit/virion/devirion/DEVirion(42): mkdir(string )
[11:56:29] [Server thread/DEBUG]: #2 src/pocketmine/plugin/PharPluginLoader(112): poggit\virion\devirion\DEVirion->onLoad()
[11:56:29] [Server thread/DEBUG]: #3 src/pocketmine/plugin/PharPluginLoader(65): pocketmine\plugin\PharPluginLoader->initPlugin(poggit\virion\devirion\DEVirion object, pocketmine\plugin\PluginDescription object, string /home/test/plugins/DEVirion, string phar:///home/test/plugins/DEVirion.phar)
[11:56:29] [Server thread/DEBUG]: #4 src/pocketmine/plugin/PluginManager(161): pocketmine\plugin\PharPluginLoader->loadPlugin(string phar:///home/test/plugins/DEVirion.phar)
[11:56:29] [Server thread/DEBUG]: #5 src/pocketmine/plugin/PluginManager(305): pocketmine\plugin\PluginManager->loadPlugin(string /home/test/plugins/DEVirion.phar, array Array())
[11:56:29] [Server thread/DEBUG]: #6 src/pocketmine/Server(1635): pocketmine\plugin\PluginManager->loadPlugins(string /home/test/plugins/)
[11:56:29] [Server thread/DEBUG]: #7 src/pocketmine/PocketMine(556): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string phar:///home/test/PocketMine-MP.phar/, string /home/test/, string /home/test/plugins/)
[11:56:29] [Server thread/DEBUG]: #8 /home/test/PocketMine-MP.phar(1): require(string phar:///home/test/PocketMine-MP.phar/src/pocketmine/PocketMine.php)