anssys2021r1安装后打开报错

出现意外错误：The following required addins could not be loaded: Ans.SceneGraphChart.SceneGraphAddin. The software will exit.
--- System.AggregateException: The following required addins could not be loaded: Ans.SceneGraphChart.SceneGraphAddin. The software will exit.
--- System.Exception: SceneGraph.Engine - failed to boot up.
at Ans.SceneGraphChart.Engine..ctor(IConfiguration p_config, IErrorHandler p_errorHandler)
at Ans.SceneGraphChart.SceneGraphAddin.Load(AddinLoadContext context)
at Ansys.Core.Addins.AddinManager.setupAddin(String path, String name, AddinBase addin)
at Ansys.Core.Addins.AddinManager.LoadAddin(String name, String path)