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Getting 'The OutputPath property is not set for project...' error when trying to build iOS project

JamesLaveryJamesLavery GBBeta, University ✭✭✭✭✭

I have a solution where I could build my Android and iOS projects fine with a varied sets of Configurations.

Having added a new configuration for running UITests, my iOS project is failing to build. In fact it fails to even clean.

My Android project builds fine.

I have created configurations for

  • AnyCPU
  • iPhone
  • iPhoneSimulator

and they all seem OK.

The error is:

/Library/Frameworks/Mono.framework/Versions/5.16.0/lib/mono/msbuild/15.0/bin/Microsoft.Common.CurrentVersion.targets(5,5): Error: The OutputPath property is not set for project 'ProjectName.Mobile.iOS.csproj'. Please check to make sure that you have specified a valid combination of Configuration and Platform for this project. Configuration='ProjectNameDebug_UITEST' Platform='iPhoneSimulator'. This error may also appear if some other project is trying to follow a project-to-project reference to this project, this project has been unloaded or is not included in the solution, and the referencing project does not build using the same or an equivalent Configuration or Platform. (ProjectName.Mobile.iOS)

I have seen various old posts with this type of problem - all solutions proposed in these have not worked for me.

Anyone else seen this and got a solution?

Version information:

=== Visual Studio Community 2017 for Mac ===

Version 7.7 (build 1868)
Installation UUID: 6d9da63d-6991-43e3-ad39-e23e9442a3ec
GTK+ 2.24.23 (Raleigh theme)
Xamarin.Mac (master / eeaeb7e6)

Package version: 516000221

=== Mono Framework MDK ===

Mono (2018-06/b63e5378e38) (64-bit)
Package version: 516000221

=== NuGet ===


=== .NET Core ===

Runtime: /usr/local/share/dotnet/dotnet
Runtime Versions:
SDK: /usr/local/share/dotnet/sdk/2.1.302/Sdks
SDK Versions:
MSBuild SDKs: /Library/Frameworks/Mono.framework/Versions/5.16.0/lib/mono/msbuild/15.0/bin/Sdks

=== Xamarin.Profiler ===

Version: 1.6.4
Location: /Applications/Xamarin Profiler

=== Apple Developer Tools ===

Xcode 10.1 (14460.46)
Build 10B61

=== Xamarin.Mac ===

Version: (Visual Studio Community)
Hash: 5ef73d34
Build date: 2018-11-21 00:03:25-0500

=== Xamarin.iOS ===

Version: (Visual Studio Community)
Hash: 5ef73d34
Branch: d15-9
Build date: 2018-11-21 00:03:24-0500

=== Xamarin.Android ===

Version: (Visual Studio Community)
Android SDK: /Users/james.lavery/Library/Developer/Xamarin/android-sdk-macosx
Supported Android versions:
7.1 (API level 25)
8.1 (API level 27)

SDK Tools Version: 26.1.1
SDK Platform Tools Version: 28.0.0
SDK Build Tools Version: 27.0.3

Java SDK: /Users/james.lavery/Library/Developer/Xamarin/jdk/microsoft_dist_openjdk_1.8.0.9
openjdk version "1.8.0-9"
OpenJDK Runtime Environment (build 1.8.0-9-microsoft-b00)
OpenJDK 64-Bit Server VM (build 25.71-b00, mixed mode)

Android Designer EPL code available here:

=== Android Device Manager ===

Hash: 06ceaea1

=== Xamarin Inspector ===

Version: 1.4.3
Hash: db27525
Branch: 1.4-release
Build date: Mon, 09 Jul 2018 21:20:18 GMT
Client compatibility: 1

=== Build Information ===

Release ID: 707001868
Git revision: 8bcdfa96d67c8c88dc45728cc968a2f84b55322f
Build date: 2018-11-22 12:19:29+00
Build branch: release-7.7
Xamarin extensions: d66dbedcda237cd9b546abfecfeecafba6f8e3cb

=== Operating System ===

Mac OS X 10.14.1
Darwin 18.2.0 Darwin Kernel Version 18.2.0
Fri Oct 5 19:41:49 PDT 2018
root:xnu-4903.221.2~2/RELEASE_X86_64 x86_64

=== Enabled user installed extensions ===

Redth's Addins 1.0.9

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