Defined in an assembly that is not referenced. You must add a reference to assembly ' Nov 7, 2024 · C# Compiler Error Error CS0012 The type 'type is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" which has a higher version "4. Threading. . It complains that the The type . 1 is out of support, so you should upgrade to 4. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. Windows. Nov 29, 2020 · After that you should still be able to build due to the reference from the TFM providing you the Windows WinRT APIs and should also be able to use await. Examples: The type ‘IMongoCollection<>’ is defined in an assembly that is not referenced. azure. You must add a reference to assembly ‘netstandard, Version=2. 0 libraries. Aug 25, 2022 · You must add a reference to assembly 'netstandard, Version=2. More recently, when trying to update the NuGet package from version 2. IListSource' is defined in an assembly that is not referenced. Enum' is defined in an assembly that is not referenced. Jan 22, 2023 · Some options we can take to fix the “the type ‘ ’ is defined in an assembly that is not referenced” includes: Add the reference DLL that contains the type to your project. 0 . net 6 if you want to create and build . The type 'IEnumerable<>' is defined in an assembly that is not referenced Asked 8 years, 11 months ago Modified 2 months ago Viewed 15k times Jan 3, 2022 · Even though MsoTriState is most definitely defined in Microsoft. Hi, I have created new asp. 1) [duplicate] Asked 8 years ago Modified 5 years ago Viewed 64k times Jun 22, 2013 · Package the needed assembly into a nuget package and then reference it, rather than an assembly sitting on the disk. 1. May 31, 2025 · These compiler errors and warnings indicate incorrect or missing assembly references. error CS0012: The type 'System. There is a big chance here that I am being an absolute idiot!! But, we are looking at migrating all of our code across to using . net framework 4. You must add a reference to assembly ' System. 27 to 2. core@fc109db5a78b\Runtime\Scripts\SpatialAnchorManager. The type ' Expression<> ' is defined in an assembly that is not referenced. NET 5, Configuration Sep 18, 2019 · The primary reference "UnityEngine. 8 has complete support of . You must add a reference to assembly. Jan 15, 2016 · The type 'xxxx' is defined in an assembly that is not referenced. cs(404,17): error CS0012: The type 'XROrigin' is defined in an assembly that is not referenced. Core, Version=4. net 3. NET 2. ReaderWriter, Version=8. 1 one. 0/. ProfileOptimization is in mscorlib, not the System. I can run and debug @fahadabdulaziz opened this here: microsoft/dotnet#527 Hi, After targeting . net core application that's based on . Since the past year, we have updated regularly the MongoDB C# driver from version 2. microsoft. Contracts package reference if you are trying to build a CsWinRT projection for your own WinRT component. You must add a reference to assembly 'netstandard Asked 5 years, 2 months ago Modified 2 years, 9 months ago Viewed 1k times May 21, 2015 · I'm trying to use the great PagedList. This is likely a very similar issue to #391 & #489. 0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. Attached the solution with the repro. NET project, I see a lot of places highlighted as errors. 0"". You typically only need a CsWinRT package reference along with a Microsoft. Below is error message that I receive: Error CS0012: The type 'Object' is defined in an assembly that is not re Mar 1, 2024 · In the code snippet below the issue for all is: The type control is defined in an assembly that is not referenced. 1, in many projects referencing net standard libraries. Data. Dec 8, 2014 · I have already have references to System and System. Runtime. You must add a reference to assembly 'abc123'. as 4. 6. NET Framework assembly "Accessibility, Version=4. You must add a reference to assembly 'EntityFramework 2 Asked 11 years, 9 months ago Modified 7 years, 5 months ago Viewed 81k times Apr 30, 2020 · The type 'System. Mar 22, 2023 · Library\PackageCache\com. Dec 18, 2013 · When you get this error, it means that code you are using makes a reference to a type that is in an assembly, but the assembly is not part of your project so it can't use it. Entity. 0 Jul 23, 2024 · Argument ‘Value’: CS0012: The type ‘IXmlSerializable’ is defined in an assembly that is not referenced. Mvc paging library in Visual Studio 2015 RC but am getting this exception from my view: The type 'MvcHtmlString' is defined in an assembly that is not refere Oct 15, 2014 · I was getting this error referencing a delay-signed assembly A that referenced a type X defined in assembly B. 1 will be out of support in December, so you might as well install . You must add a reference to assembly ' {assembly} '. You must add a reference to assembly 'PresentationFramework, Version=4. 0" than the version "2. net 4. UI" could not be resolved because it has an indirect dependency on the . 1 project, add some reference to both, and reference netstandard2 library from . The type 'System. Object' is defined in an assembly that is not referenced. All updates had no issues. I get these errors: csharp The type 'Object' is defined in an assembly that is not refe error CS0012: The type 'ValueTask<>' is defined in an assembly that is not referenced. 0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’. 20 up to 2. SDK. 27. most likely your nuget package got updated. The type 'x' is defined in an assembly that is not referenced. is defined in an assembly that is not referenced, but the assembly is referenced. Create a netstandard2 project, a . Jan 15, 2016 # ASP. You must add a reference to assembly 'System. 0. These errors cause missing or incorrect definitions for types in your program. Office. 1 does not fully support . Xml. 1 and it doesn't build on my build server. Type: Bug Issue Description When I open a . It should be a pretty rare (not never, but rare) circumstance that a direct assembly is required. You must add a reference to assembly ‘System. 0, Culture=neutral, PublicKeyToken=b77a5c561934e089 '. Mar 30, 2020 · CS0012: The type ‘System. Apr 26, 2022 · . I have a . . NET Standard 2. So far as I can see, System. 28, the solution does not build with the several errors. 8 in any event. spatial-anchors-sdk. Apr 19, 2018 · CS0012: The type 'System. 0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51’. ComponentModel. Tasks. Runtime assembly. The assembly May 28, 2014 · Your comments may be misleading. netstandard 2. 2. Sep 28, 2013 · The type 'System. dll assembly (msdn reference) When I try to use VS2019's quick actions I get the option to "Add reference to "office Version 15. 0 web application that references my assembly 'abc123'. 0" in the current target framework. The type ' {type} ' is defined in an assembly that is not referenced. Object’ is defined in an assembly that is not referenced. Extensions, Version=4. NET Framework 4. 7. System. DbContext' is defined in an assembly that is not referenced. You must add a reference to assembly Type 'Object' is defined in an assembly that is not referenced (NET Standard 2. I got the error that B wasn't referenced (and I was already referencing the signed version of B). You must add a reference to assembly 'netstandard, Version=2. Core which is part of the office. Net Framework 4. ife zqdua awbl khbcn mtc efrdz rilbz amlv tqgjzh jrvtxzyg