MG 2.0 error message

[spiderman]

I got this error message

InvalidArgumentException: First argument should be a string in src/vendor/league/flysystem/src/MountManager.php at line 134


      
    League\Flysystem\MountManager->filterPrefix() in src/vendor/league/flysystem/src/MountManager.php at line 177
    
    League\Flysystem\MountManager->__call() in src/addons/XFMG/Repository/Media.php at line 701
    
    League\Flysystem\MountManager->has() in src/addons/XFMG/Repository/Media.php at line 701
    
    XFMG\Repository\Media->rebuildImageThumb() in src/addons/XFMG/Service/Media/ThumbnailChanger.php at line 49
    
    XFMG\Service\Media\ThumbnailChanger->useDefaultAvatar() in src/addons/XFMG/Pub/Controller/Media.php at line 1370
    
    XFMG\Pub\Controller\Media->actionChangeThumbnail() in src/XF/Mvc/Dispatcher.php at line 249
    
    XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 89
    
    XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 41
    
    XF\Mvc\Dispatcher->run() in src/XF/App.php at line 1931
    
    XF\App->run() in src/XF.php at line 328
    
    XF::runApp() in index.php at line 13

 

[spiderman]

• ErrorException: [E_NOTICE] Trying to get property of non-object
• src/addons/XFMG/Repository/Media.php:696