{"id":165712,"date":"2023-03-17T09:01:03","date_gmt":"2023-03-17T09:01:03","guid":{"rendered":"\/knowledge\/forums\/topic\/unable-to-open-newly-installed-ansys-workbench-17-0-error-unexpected-error-exception-has-been-thrown-by-the-target-of-an-invocation-system-missingmethodexception-method-not-found-system-col\/"},"modified":"2023-07-31T12:34:40","modified_gmt":"2023-07-31T12:34:40","slug":"unable-to-open-newly-installed-ansys-workbench-17-0-error-unexpected-error-exception-has-been-thrown-by-the-target-of-an-invocation-system-missingmethodexception-method-not-found-system-col","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/unable-to-open-newly-installed-ansys-workbench-17-0-error-unexpected-error-exception-has-been-thrown-by-the-target-of-an-invocation-system-missingmethodexception-method-not-found-system-col\/","title":{"rendered":"Unable to open newly installed ANSYS Workbench 17.0  Error:   Unexpected Error : Exception has been thrown by the target of an invocation.  System.MissingMethodException: Method not found: &#8216;System.Collections.Generic.IEnumerable`1<!!0> Microsoft.Scripting.Utils.ReflectionUtils.GetCustomAttributes(System.Reflection.Assembly, Boolean)&#8217;.    at IronPython.Runtime.Binding.PythonBinder.DomainManager_AssemblyLoaded(Object sender, AssemblyLoadedEventArgs e)    at IronPython.Runtime.Binding.PythonBinder..ctor(PythonContext pythonContext, CodeContext context)    at IronPython.Runtime.PythonContext..ctor(ScriptDomainManager manager, IDictionary`2 options)."},"content":{"rendered":"<p>Solution: Update Iron Python version Iron Python 2.7.4<\/p>\n","protected":false},"template":"","class_list":["post-165712","topic","type-topic","status-publish","hentry","topic-tag-4431","topic-tag-general","topic-tag-installation-process","topic-tag-installation-licensing-systems","topic-tag-other","topic-tag-workbench-platform-sys"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_wp_page_template":["default"],"_bbp_last_active_time":["3\/15\/2023 20:20"],"_bbp_forum_id":["153867"],"_bbp_author_ip":["23.56.168.180"],"_btv_view_count":["860"],"siebel_km_number":["2060650"],"product_version":["17"],"km_published_date":["2019-08-30T00:00:00.000Z"],"family":["Installation\/Licensing\/Systems"],"application_name":["Workbench Platform - SYS"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/165712","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/165712\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=165712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}