Add Migration Method not found: 'System.String Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object)'.

[pocki]

Bug description

After update to 10.0.7 I can not create a new Migration. Build is fine.

Your code

Add-Migration -Context MyBreweryDbContext -Name "Added bottling Brew26"

Stack traces

System.MissingMethodException: Method not found: 'System.String Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object)'.
   at Microsoft.EntityFrameworkCore.Utilities.Check.NotEmpty(String value, String parameterName)
   at Microsoft.EntityFrameworkCore.Utilities.Check.NotEmpty(String value, String parameterName)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(String name, String outputDir, String contextType, String namespace)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigration.<>c__DisplayClass0_0.<.ctor>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c__DisplayClass3_0`1.<Execute>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)
Method not found: 'System.String Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object)'.

Verbose output

Using project 'MyBrewery'.
Using startup project 'MyBrewery'.
Build started...
Build succeeded.
C:\Program Files\dotnet\dotnet.exe exec --depsfile E:\CODE\github\MyBrewery\MyBrewery\bin\Debug\net10.0\MyBrewery.deps.json --additionalprobingpath E:\packages\nuget --additionalprobingpath "C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages" --runtimeconfig E:\CODE\github\MyBrewery\MyBrewery\bin\Debug\net10.0\MyBrewery.runtimeconfig.json E:\packages\nuget\microsoft.entityframeworkcore.tools\10.0.7\tools\net8.0\any\ef.dll migrations add AddedBottlingBrew26 --json --context MyBreweryDbContext --verbose --no-color --prefix-output --assembly E:\CODE\github\MyBrewery\MyBrewery\bin\Debug\net10.0\MyBrewery.dll --project E:\CODE\github\MyBrewery\MyBrewery\MyBrewery.csproj --startup-assembly E:\CODE\github\MyBrewery\MyBrewery\bin\Debug\net10.0\MyBrewery.dll --startup-project E:\CODE\github\MyBrewery\MyBrewery\MyBrewery.csproj --project-dir E:\CODE\github\MyBrewery\MyBrewery\ --language C# --configuration Debug --working-dir E:\CODE\github\MyBrewery --root-namespace MyBrewery --nullable --design-assembly E:\packages\nuget\microsoft.entityframeworkcore.design\8.0.0\lib\net8.0\Microsoft.EntityFrameworkCore.Design.dll
Using assembly 'MyBrewery'.
Using startup assembly 'MyBrewery'.
Using application base 'E:\CODE\github\MyBrewery\MyBrewery\bin\Debug\net10.0'.
Using working directory 'E:\CODE\github\MyBrewery\MyBrewery'.
Using root namespace 'MyBrewery'.
Using project directory 'E:\CODE\github\MyBrewery\MyBrewery\'.
Remaining arguments: .
System.MissingMethodException: Method not found: 'System.String Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object)'.
   at Microsoft.EntityFrameworkCore.Utilities.Check.NotEmpty(String value, String parameterName)
   at Microsoft.EntityFrameworkCore.Utilities.Check.NotEmpty(String value, String parameterName)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(String name, String outputDir, String contextType, String namespace)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigration.<>c__DisplayClass0_0.<.ctor>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c__DisplayClass3_0`1.<Execute>b__0()
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)
Method not found: 'System.String Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object)'.

EF Core version

10.0.7

Database provider

Microsoft.EntityFrameworkCore.SqlServer

Target framework

.NET 10

Operating system

Windows 11

IDE

Visual Studio 2026 v18.5.1

[MihuBot]

I'm a bot. Here are possible related and/or duplicate issues (I may be wrong):

• Add-Migration Exception: Microsoft.EntityFrameworkCore.Diagnostics.AbstractionsStrings.ArgumentIsEmpty(System.Object) #38107
• Announcement: Microsoft.EntityFrameworkCore.Tools 10.0.6 - Design package dependency change #38124
• System.MissingMethodException: Method not found: 'System.String on Microsoft.EntityFrameworkCore.Design version 10.0.0 #37232
• Microsoft.EntityFrameworkCore.Tools" Version="10.0.6" #38123

[pocki]

Sorry, duplicate of #38107, #38124
Missed the information.

Fixed by adding "Microsoft.EntityFrameworkCore.Design" nuget package