/badpiggy popup

[Aericio]

Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in phar:///home/gmplus/Server/plugins/BadPiggy.phar/src/BadPiggy/Main.php on line 385

Notice: Undefined index:  in phar:///home/gmplus/Server/plugins/BadPiggy.phar/src/BadPiggy/Main.php on line 386
[05:34:26] [Server thread/CRITICAL]: Unhandled exception executing command 'badpiggy popup Aericio' in badpiggy: Expected Item[], got NULL
[05:34:26] [Server thread/CRITICAL]: InvalidArgumentException: "Expected Item[], got NULL" (EXCEPTION) in "/src/pocketmine/inventory/BaseInventory" at line 336

Running 0.16.0 branch of Genisys.