Visual Studio 2015 RC Entity Framework 6.1.3 Migrations Error

.net c# entity-framework-6 migration visual-studio-2015

Question

Only when the solution has many projects that reference the EntityFramework does the error shown below get pasted. I got the following error when I ran "Enable-Migrations" or "Add-Migration":

New-Object : The value supplied is not valid, or the property is read-only. Change the value, and then try again. At D:\Projetos\Monitoramento\packages\EntityFramework.6.1.3\tools\EntityFramework.psm1:757 char:13 + $info = New-Object System.AppDomainSetup -Property @{ + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidData: (:) [New-Object], Exception + FullyQualifiedErrorId : SetValueException,Microsoft.PowerShell.Commands.NewObjectCommand The property 'PrivateBinPath' cannot be found on this object. Verify that the property exists and can be set. At D:\Projetos\Monitoramento\packages\EntityFramework.6.1.3\tools\EntityFramework.psm1:772 char:9 + $info.PrivateBinPath += ';lib\net45' + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (:) [], RuntimeException + FullyQualifiedErrorId : PropertyNotFound Exception calling "LoadFrom" with "1" argument(s): "The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters." At D:\Projetos\Monitoramento\packages\EntityFramework.6.1.3\tools\EntityFramework.psm1:780 char:5 + $utilityAssembly = [System.Reflection.Assembly]::LoadFrom((Join-Path $ToolsP ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : PathTooLongException You cannot call a method on a null-valued expression. At D:\Projetos\Monitoramento\packages\EntityFramework.6.1.3\tools\EntityFramework.psm1:781 char:5 + $dispatcher = $utilityAssembly.CreateInstance( + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (:) [], RuntimeException + FullyQualifiedErrorId : InvokeMethodOnNull Exception calling "CreateInstanceFrom" with "8" argument(s): "The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters." At D:\Projetos\Monitoramento\packages\EntityFramework.6.1.3\tools\EntityFramework.psm1:809 char:5 + $domain.CreateInstanceFrom( + ~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : PathTooLongException

EntityFramework 6.1.1 output:

Exception calling "LoadFrom" with "1" argument(s): "The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters." At C:\Users\Hudson\Documents\Visual Studio 2015\Projects\WpfApplication4\packages\EntityFramework.6.1.1\tools\EntityFramework.psm1:780 char:5 + $utilityAssembly = [System.Reflection.Assembly]::LoadFrom((Join-Path $ToolsP ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : PathTooLongException You cannot call a method on a null-valued expression. At C:\Users\Hudson\Documents\Visual Studio 2015\Projects\WpfApplication4\packages\EntityFramework.6.1.1\tools\EntityFramework.psm1:781 char:5 + $dispatcher = $utilityAssembly.CreateInstance( + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (:) [], RuntimeException + FullyQualifiedErrorId : InvokeMethodOnNull Exception calling "CreateInstanceFrom" with "8" argument(s): "The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters." At C:\Users\Hudson\Documents\Visual Studio 2015\Projects\WpfApplication4\packages\EntityFramework.6.1.1\tools\EntityFramework.psm1:809 char:5 + $domain.CreateInstanceFrom( + ~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : PathTooLongException

1
13
5/4/2015 9:38:52 PM

Accepted Answer

12
5/5/2015 8:29:21 PM

Popular Answer

For myself, I simply

One. Closed VS
2. Manually removed the Entity Framework package from the packages folder.
3. Restored packages and opened the project.

For me, it was effective.



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