XF 2.1 Error while upgrading

[SilentGround]

I am getting these errors while upgrading

ErrorException: [E_WARNING] Attempt to assign property of non-object in src/XF/Install/Upgrade/2000036-200b6.php at line 39

    XF::handlePhpError() in src/XF/Install/Upgrade/2000036-200b6.php at line 39
    XF\Install\Upgrade\Version2000036->step2() in src/XF/Install/Controller/Upgrade.php at line 173
    XF\Install\Controller\Upgrade->actionRun() in src/XF/Mvc/Dispatcher.php at line 321
    XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 249
    XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 100
    XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 50
    XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2177
    XF\App->run() in src/XF.php at line 390
    XF::runApp() in install/index.php at line 14

 

[jeb35]

How are you updating? Through ACP or downloading the upgrade package and uploading to server?

 

[SilentGround]

downloading the package and upgrading

 

[jeb35]

Have you tried downloading the package again and reuploading?

 

[SilentGround]

Yes, i solved it by re-uploading the files again.