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Editorial Team
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Asked: 2026-05-23T12:07:22+00:00

So I installed Entity Framework June CTP day before and all was fine until

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So I installed Entity Framework June CTP day before and all was fine until I went to add POCO’s to the EF, that’s when I got this error

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So I thought to myself ‘It must have been the CTP that’s causing this, so I went and unloaded it. I restarted Visual Studio and was greeted with this message:

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I hit No and Visual Studio finished loading my project. When I once again tried to add the POCO’s I was greeted with this error:

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So does anyone know what’s going on and how I can resolve this issue? I know Entity Framework 4.2 has new items but for the time being I prefer the POCO way of doing things.

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1 Answer

  1. Editorial Team

    EF CTP 2011 is very first preview of EF 4.2. It also shows only subset of features expected in EF 4.2. First of all it is not for developing production code and it should not be installed on the machine where you write a production EF code.

    It is expected that CTP can contain bugs – that is why CTPs are published – to collect feedback and find bugs. It is not clear what you actually did to get the error but if you have a technical problem with CTP ask on EF pre-release forum for help.

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