removing mods thats not working with my game and this frozen

The Sims 4 Studio - Version 3.1.6.3
System.Xml.XmlException: Data at the root level is invalid. Line 1, position 1.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options)
at System.Xml.Linq.XDocument.Parse(String text, LoadOptions options)
at S4Studio.ViewModels.Animation.AnimationPackCustomContent.<>c.<get_PosePackInstance>b__60_1(SnippetTuningResource x)
at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)
at S4Studio.ViewModels.Animation.AnimationPackCustomContent.get_PosePackInstance()
at S4Studio.ViewModels.Animation.AnimationPackCustomContent.LoadPosePack()
at S4Studio.ViewModels.Animation.AnimationPackCustomContent..ctor(IWindow window, IResourceProvider global, IDBPFPackage package, IAnimationListProvider animation_source)
at S4Studio.ViewModels.MyCC.ModPackageViewModel.<get_Content>b__32_0()
at S4Studio.ViewModels.MyCC.ModContentViewModel.get_ModItemViewModel()