https://www.ptcusercommunity.com/t5/Windchill/Getting-quot-The-application-and-version-is-not-available-quot/m-p/1047075#M87616 I am using Windchill PDMLink Release 13.0 and Datecode with CPS 13.0.1.0<BR /><BR />We are getting the following errors while trying to open the Catia File using Windchill Workgroup Manager Automation Toolkit.<BR /><BR />The application and version is not available<BR /><BR />We have setup the Windchill Workgroup Automation Toolkit. And we are trying to Open and Checkin a CATIA V5 assembly through that. So far we have been able to add objects (CATProduct and CATParts) into the workspace and perform Checkout operation on them.<BR /><BR />After this step, when we try to open the CATProduct in CATIA using "Open a model in authoring application" option,<BR />we get the following error<BR /><BR />The application and version is not available<BR /><BR />We want to Open and Checkin the Assembly in CATIA V5.<BR /><BR />Here are the errors that I faced<BR />The application and version is not available.<BR /><BR />We get this while trying to open an assembly using in CATIA V5 using Automation Toolkit Demo Options Thu, 11 Dec 2025 05:34:05 GMT RG_13245189 2025-12-11T05:34:05Z https://www.ptcusercommunity.com/t5/Windchill/Getting-quot-The-application-and-version-is-not-available-quot/m-p/1047075#M87616 I am using Windchill PDMLink Release 13.0 and Datecode with CPS 13.0.1.0<BR /><BR />We are getting the following errors while trying to open the Catia File using Windchill Workgroup Manager Automation Toolkit.<BR /><BR />The application and version is not available<BR /><BR />We have setup the Windchill Workgroup Automation Toolkit. And we are trying to Open and Checkin a CATIA V5 assembly through that. So far we have been able to add objects (CATProduct and CATParts) into the workspace and perform Checkout operation on them.<BR /><BR />After this step, when we try to open the CATProduct in CATIA using "Open a model in authoring application" option,<BR />we get the following error<BR /><BR />The application and version is not available<BR /><BR />We want to Open and Checkin the Assembly in CATIA V5.<BR /><BR />Here are the errors that I faced<BR />The application and version is not available.<BR /><BR />We get this while trying to open an assembly using in CATIA V5 using Automation Toolkit Demo Options Thu, 11 Dec 2025 05:34:05 GMT https://www.ptcusercommunity.com/t5/Windchill/Getting-quot-The-application-and-version-is-not-available-quot/m-p/1047075#M87616 RG_13245189 2025-12-11T05:34:05Z https://www.ptcusercommunity.com/t5/Windchill/Getting-quot-The-application-and-version-is-not-available-quot/m-p/1047418#M87650 <P>is this not the same issue solved in support case&nbsp;17976439 ?</P> Fri, 12 Dec 2025 14:15:41 GMT https://www.ptcusercommunity.com/t5/Windchill/Getting-quot-The-application-and-version-is-not-available-quot/m-p/1047418#M87650 Fadel 2025-12-12T14:15:41Z