The OutputPath property is not set for this project

Question

When I try to compile my project from x86 debug mode in Visual Studio 2008  I am getting this error  When I looked at the property group of the project that complained  I see output path is set   Here is the property group section for that  csproj file   lt PropertyGroup Condition      Configuration    Platform       Debug x86    gt     lt DebugSymbols gt true lt  DebugSymbols gt     lt OutputPath gt bin x86 Debug  lt  OutputPath gt     lt DefineConstants gt DEBUG TRACE lt  DefineConstants gt     lt BaseAddress gt 285212672 lt  BaseAddress gt     lt FileAlignment gt 4096 lt  FileAlignment gt     lt DebugType gt full lt  DebugType gt     lt PlatformTarget gt x86 lt  PlatformTarget gt    lt ErrorReport gt prompt lt  ErrorReport gt      Can any one shed the light on this   NOTE  When I compiled this Debug and Any CPU it worked   UPDATED  Error 1   The OutputPath property is not set for this project   Please check to make sure that you have specified a valid Configuration Platform combination   Configuration  Debug   Platform  x86

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If you are using WiX look at this  there is a bug  http   www cnblogs com xixifusigao archive 2012 03 20 2407651 html  Sometimes new build configurations get added to the  wixproj file further down the file  that is  separated from their sibling config definitions by other unrelated XML elements   Simply edit the  wixproj file so that all the  lt PropertyGroup gt  sections that define your build configs are adjacent to one another   To edit the  wixproj in VS2013 right click on project in Solution Explorer  Unload project  right-click again- Edit YourProject wixproj  Reload after editing the file

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had this problem as output from Azure DevOps after setting to build the  csproj instead of the  sln in the Build Pipeline    The solution for me  Edit  csproj of the affected project  then copy your whole   lt PropertyGroup Condition      Configuration    Platform       Release AnyCpu    gt    Node  paste it  and then change the first line as followed        lt PropertyGroup Condition      Configuration    Platform       Release any cpu    gt    The reason is  that in my case the error said  Please check to make sure that you have specified a valid combination of Configuration and Platform for this project   Configuration  release   Platform  any cpu       Why Azure wants to use  any cpu  instead of the default  AnyCpu  is a mystery for me  but this hack works

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I had the same problem after I have added new configurations and deleted the  debug  and  release  configs  In my case I was using a cmd file to run the build and publish process  but the same error was thrown  The solution for me  In the csproj file the following    lt Configuration Condition      Configuration           gt Debug lt   Configuration gt    was setting the Configuration to  Debug  if I did not specify an explicit one  After changing the node value from  debug  to my custom configuration  it all worked smoothly  Hope this will also help whoever is reading this

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This happened to me because I had moved the following line close to the beginning of the  csproj file      lt Import Project    MSBuildToolsPath  Microsoft CSharp targets   gt    It needs to be placed after the PropertyGroups that define your Configuration Platform

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Another crazy possibility  If you follow a simple source control arrangement of putting Branch Main  Main  and Release next to each other and you somehow end up adding an existing project from Main instead of Branch Main  assuming your working solution is Branch Main   you may see this error   The solution is simple  reference the right project

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You can see this error in VS 2008 if you have a project in your solution that references an assembly that cannot be found   This could happen if the assembly comes from another project that is not part of your solution but should be   In this case simply adding the correct project to the solution will solve it   Check the References section of each project in your solution  If any of them has a reference with an red x next to it  then it you have found your problem  That assembly reference cannot be found by the solution   The error message is a bit confusing but I ve seen this many times

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If you get this error only when you try to compile your project from commandline using MSBuild  like in my case  then the solution is to passing the outputpath manually to MSBuild with an argument like  p OutputPath MyFolder

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The error shown in visual studio for the project  Let s say A  does not have issues  When I looked at the output window for the build line by line for each project  I saw that it was complaining about another project  B  that had been referred as assembly in project A  Project B added into the solution  But it had not been referred in the project A  as project reference instead as assembly reference from different location  That location contains the assembly which compiled for Platform AnyCpu  Then I removed the assembly reference from the project A and added project B as a reference  It started compiling   Not sure though how this fix worked

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I had exact same error after adding a new configuration via ConfigurationManager in Visual Studio   It turned out when the  Production  configuration was added for the whole solution  and each project  the OutputPath element was not added to the  csproj files   To fix  I went to the Build tab in project properties  changed OutputPath from  bin Production  to  bin Production  deleted trailing    and saved changes  This forced creation of the OutputPath element in the  csproj file and the project has built successfully   Sounds like a glitch to me

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I have    Right-click on project with issue -  Unload Project Right-click on project and choose Edit   csproj  Copy-paste the configuration from existing configuration which works with specific name and targeting platform  I had Release   x64     lt PropertyGroup Condition     Configuration    Platform       Release x64   gt     lt OutputPath gt bin x64 Release  lt  OutputPath gt     lt DefineConstants gt TRACE lt  DefineConstants gt     lt Optimize gt true lt  Optimize gt     lt DebugType gt pdbonly lt  DebugType gt     lt PlatformTarget gt x64 lt  PlatformTarget gt     lt ErrorReport gt prompt lt  ErrorReport gt     lt CodeAnalysisRuleSet gt MinimumRecommendedRules ruleset lt  CodeAnalysisRuleSet gt     lt Prefer32Bit gt true lt  Prefer32Bit gt   lt  PropertyGroup gt   Right-click project -  Reload Project Rebuild project solution

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I had the same error  so I looked on project settings and there in  Build  section is  Build output path  option  And value was empty  So I filled in  bin   value a error disappeared  It solved my problem

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I got this problem after adding a new platform to my project  In my case  csproj file was under Perforce source control and was read-only  I checked it out but VS didn t catch the change until I restarted it

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Another cause  you add a project reference from project A to project B in solution X  However  solution Y that already contains project A is now broken  until you also add project B to solution Y

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I encountered this problem when adding a project to a solution then referencing it from yet another project in the same solution-- got the yellow warning icon over the reference  notice that path was empty   The solution was similar to what  Amzath suggested  my projects were being compiled with different Target Frameworks  eg   NET 4 0 vs 4 5

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After trying all the other suggestions posted here  I discovered the solution for me was to remove the following section from the  csproj file      lt ItemGroup gt       lt Service Include   808359B6-6B82-4DF5-91FF-3FCBEEBAD811     gt     lt  ItemGroup gt    Apparently this service from the original project  unavailable on local machine  was halting the entire build process  even though it wasn t essential for compilation

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The WiX project I was using was hard-set in the configuration manager for x64 across the board  When making the Custom Action project for the solution  it defaulted everything to x86 within the  csproj file  So I unloaded the project  edited it by changing all x86 to x64  saved  reloaded  and was good to go after that   I don t understand why I had to do this  The configuration manager was set to build as x64  but just wouldn t get set in the csproj file

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I encountered the same error but the problem turned out to be because I had created a new configuration in my solution that didn t exist in referenced assemblies from another solution   This can be resolved by opening the related solution and adding the new configuration to it as well    This post gave me the idea to check the referenced assemblies after I d already confirmed that all projects within my solution had the correct configuration   http   gabrielmagana com 2010 04 solution-to-the-outputpath-property-is-not-set-for-this-project

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I had the same problem  Just edit the  wixproj to have all of the   lt PropertyGroup Condition      Configuration    Platform        gt  elements to be side by side   That solved my issue

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In my case the built address of my app was set to another computer that was turned off so i turned it on and restart VS and problem solved

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I have had similar issue on a Xamarin Project  It is maybe rare case but in case anyone else is having the issue  my project structure was like below   xamarin Android project had a reference from xamarin android library project   I created a plugin using some code from android library project  Now here is the problem  if you add project reference or nuget installation on xamarin android library project  You will get this error  Developers assume that code was inside Android Library project and i must reference the new plugin on this project  NO  you must add a reference on Main Android project  because plugin- library- main project output isnt produced

[c#] The OutputPath property is not set for this project

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