Which file / template is wrong?

[Robert9]

I guess that xf opens a file and knows the filename, could be saved in "current filename",
then we have an error and show the usual message and "current filename"

This error does not helm me

InvalidArgumentException: Invalid XML in file. in src/XF/Util/Xml.php at line 51

    XF\Util\Xml::open() in src/XF/Util/Xml.php at line 22
    XF\Util\Xml::openFile() in src/XF/AddOn/DataType/AbstractDataType.php at line 60
    XF\AddOn\DataType\AbstractDataType->openTypeFile() in src/XF/Job/AddOnData.php at line 60
    XF\Job\AddOnData->run() in src/XF/Job/Manager.php at line 260
    XF\Job\Manager->runJobInternal() in src/XF/Job/Manager.php at line 202
    XF\Job\Manager->runJobEntry() in src/XF/Job/Manager.php at line 118
    XF\Job\Manager->runByIds() in src/XF/Admin/Controller/Tools.php at line 122
    XF\Admin\Controller\Tools->actionRunJob() in src/XF/Mvc/Dispatcher.php at line 352
    XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 259
    XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 115
    XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 57
    XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2483
    XF\App->run() in src/XF.php at line 524
    XF::runApp() in admin.php at line 13

 

[Thanh Thai]

same error