Error: "Class name must be a valid object or a string" When Generating a New Level

Whenever I try to generate a level with a plugin:

PHP:

<?php

declare(strict_types=1);

namespace CortexPE;

use pocketmine\level\generator\Generator;
use pocketmine\level\Level;
use pocketmine\plugin\PluginBase;

class Main extends PluginBase {
    public function onLoad(){
       $this->generateLevels();
    }

    public function generateLevels(){
       $this->getServer()->generateLevel("test", null, Generator::getGenerator("FLAT"));
    }
}


I only get this error:

Code:

[08:33:36] [Server thread/ERROR]: pocketmine.level.generateError
[08:33:36] [Server thread/CRITICAL]: Error: "Class name must be a valid object or a string" (EXCEPTION) in "src/pocketmine/Server" at line 1076
[08:33:36] [Server thread/DEBUG]: #0 plugins/TESTERPLUGIN/src/CortexPE/Main(17): pocketmine\Server->generateLevel(string test, integer -613950673, string pocketmine\level\generator\normal\Normal)
[08:33:36] [Server thread/DEBUG]: #1 plugins/TESTERPLUGIN/src/CortexPE/Main(13): CortexPE\Main->generateLevels()
[08:33:36] [Server thread/DEBUG]: #2 plugins/DevTools.phar/src/FolderPluginLoader/FolderPluginLoader(115): CortexPE\Main->onLoad()
[08:33:36] [Server thread/DEBUG]: #3 plugins/DevTools.phar/src/FolderPluginLoader/FolderPluginLoader(66): FolderPluginLoader\FolderPluginLoader->initPlugin(CortexPE\Main object, pocketmine\plugin\PluginDescription object, string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\TESTERPLUGIN, string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\TESTERPLUGIN)
[08:33:36] [Server thread/DEBUG]: #4 src/pocketmine/plugin/PluginManager(161): FolderPluginLoader\FolderPluginLoader->loadPlugin(string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\TESTERPLUGIN)
[08:33:36] [Server thread/DEBUG]: #5 src/pocketmine/plugin/PluginManager(305): pocketmine\plugin\PluginManager->loadPlugin(string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\TESTERPLUGIN, array Array())
[08:33:36] [Server thread/DEBUG]: #6 plugins/DevTools.phar/src/DevTools/DevTools(47): pocketmine\plugin\PluginManager->loadPlugins(string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\, array Array())
[08:33:36] [Server thread/DEBUG]: #7 src/pocketmine/plugin/PluginBase(90): DevTools\DevTools->onEnable()
[08:33:36] [Server thread/DEBUG]: #8 src/pocketmine/plugin/PharPluginLoader(122): pocketmine\plugin\PluginBase->setEnabled(boolean 1)
[08:33:36] [Server thread/DEBUG]: #9 src/pocketmine/plugin/PluginManager(610): pocketmine\plugin\PharPluginLoader->enablePlugin(DevTools\DevTools object)
[08:33:36] [Server thread/DEBUG]: #10 src/pocketmine/Server(1940): pocketmine\plugin\PluginManager->enablePlugin(DevTools\DevTools object)
[08:33:36] [Server thread/DEBUG]: #11 src/pocketmine/Server(1926): pocketmine\Server->enablePlugin(DevTools\DevTools object)
[08:33:36] [Server thread/DEBUG]: #12 src/pocketmine/Server(1635): pocketmine\Server->enablePlugins(integer 0)
[08:33:36] [Server thread/DEBUG]: #13 src/pocketmine/PocketMine(558): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\, string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\, string C:\Users\CortexPE\Desktop\MCPE Server Softwares\PocketMine-MP\plugins\)

Any suggestions on why the error occurs?
I'm using PMMP's latest commit...

 

Check you are passing the correct types required by generateLevel(): https://github.com/pmmp/PocketMine-...465ae6e085e9b/src/pocketmine/Server.php#L1049

 

PocketMine generated this world but it Worked...


The plugin generated one however, didn't.

And yeah... they're the same type.

 

According to this, Generator::getGenerator() returns a Generator object, which you are passing to generateLevel(), which expects a string, a " Class name that extends pocketmine\level\generator\Noise".

Also, check this.

 

Check this

 

Maybe the PHPDocs are inaccurate? So what happens when you use "default" instead of "FLAT"?

 

Still the same error...

 

I just tested, it works fine in onEnable() but not in onLoad(), so you were calling it too early.

 

Tried onEnable (Just updated a minute ago) and it still didn't work for me... SAME ERROR.

Updated via:

Code:

git fetch origin && git reset --hard origin

Using:

Code:

$this->getServer()->generateLevel("test", null, Generator::getGenerator("FLAT"));

wtf.

 

> https://github.com/pmmp/PocketMine-MP/blob/master/src/pocketmine/Server.php#L1076
> A method on $provider is being called, $provider being a string
Check level-settings.default-format.

 

It's on the default setting...