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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / X++ Project Fails to L...
Finance | Project Operations, Human Resources, ...
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X++ Project Fails to Load and Open in visual studio after migration between two environments !

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Posted on by D365FO Junior-Dev 449
Hello,
I recently copied a Visual Studio solution containing a Finance & Operations customization project originally created in Visual Studio 2019 on another development environment to my local environment which uses Visual Studio 2022 I successfully imported the model (DEVTest10) using ModelUtil.exe as in this Microsoft documentation https://learn.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/dev-tools/models-export-import
when I try to open the project in my new local environment I encounter the following error message:

  
An error occurred in 'Miscellaneous Files' while attempting to open 'BranchMasterEntity.xml'
System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.VisualStudio.Modeling.Shell.DocData.LoadDocData(String fileName)
at Microsoft.VisualStudio.Platform.WindowManagement.WindowFrame .< LoadDocumentFramelnternalAsync>d_77.MoveNext(

File path: C:\AOSService\PackagesLocalDirectory\DEVTest10\DEVTest10\AxDataEntityView\BranchMasterEntity.xml
Frame GUID: 7dcb09ff-3066-475f-9286-662c3c505513
Frame mode: VSFM_MdiChild
Error code: 0x80004003


Does anyone know the best practice for migrating a legacy project to a new development environment?

Thanks 


 
I have the same question (0)
  • Verified answer
    Mohamed Amine Mahmoudi Profile Picture
    Mohamed Amine Mahmoudi 26,605 Super User 2025 Season 2 on at
    Hi,
     
    Try to remove the 'BranchMasterEntity.xml' from rnrproj file.
     
    and when you open the projet add them from AOT.
     
    Best regards,
    Mohamed Amine MAHMOUDI
  • D365FO Junior-Dev Profile Picture
    D365FO Junior-Dev 449 on at
    @Mohamed Amine Mahmoudi

    Did you mean I should remove this section at the project ?
      
     <Content Include="AxDataEntityView\BranchMasterEntity">
   <SubType>Content</SubType>
   <Name>BranchMasterEntity</Name>
   <Link>Data Entities\BranchMasterEntity</Link>
 </Content>
    How can I add a new one from AOT into the project ?
     
    Thanks 
  • Mohamed Amine Mahmoudi Profile Picture
    Mohamed Amine Mahmoudi 26,605 Super User 2025 Season 2 on at
    Hi
     
    yes that's it !
     
    BR
    Mohamed Amine MAHMOUDI

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