I'm trying to build it via MSBuild but it always fails.

[fantoro]

Here's the log of msbuild.exe soup.csproj:

Microsoft (R) Build Engine version 4.7.2556.0
[Microsoft .NET Framework, version 4.0.30319.42000]
Copyright (C) Microsoft Corporation. All rights reserved.

Build started 12/25/2017 12:43:41 PM.
Project "C:\Users\Trawa\soup\soup.csproj" on node 1 (default targets).
Project file contains ToolsVersion="15.0". This toolset may be unknown or missing, in which case you may be able to resolve this by installing the appropriate version of MSBuild, or the build may have been forced to a particular ToolsVe
rsion for policy reasons. Treating the project as if it had ToolsVersion="4.0". For more information, please see http://go.microsoft.com/fwlink/?LinkId=291333.
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(983,5): warning MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.5.2" were not found. To resolve this, install the SDK or Targeting Pack for
 this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in pl
ace of reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend. [C:\Users\Trawa\soup\soup.csproj]
App.config : error MSB3249: Application Configuration file "App.config" is invalid. Could not find file 'C:\Users\Trawa\soup\App.config'. [C:\Users\Trawa\soup\soup.csproj]
Done Building Project "C:\Users\Trawa\soup\soup.csproj" (default targets) -- FAILED.


Build FAILED.

"C:\Users\Trawa\soup\soup.csproj" (default target) (1) ->
(GetReferenceAssemblyPaths target) ->
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.targets(983,5): warning MSB3644: The reference assemblies for framework ".NETFramework,Version=v4.5.2" were not found. To resolve this, install the SDK or Targeting Pack f
or this framework version or retarget your application to a version of the framework for which you have the SDK or Targeting Pack installed. Note that assemblies will be resolved from the Global Assembly Cache (GAC) and will be used in
place of reference assemblies. Therefore your assembly may not be correctly targeted for the framework you intend. [C:\Users\Trawa\soup\soup.csproj]


"C:\Users\Trawa\soup\soup.csproj" (default target) (1) ->
(ResolveAssemblyReferences target) ->
  App.config : error MSB3249: Application Configuration file "App.config" is invalid. Could not find file 'C:\Users\Trawa\soup\App.config'. [C:\Users\Trawa\soup\soup.csproj]

    1 Warning(s)
    1 Error(s)

Time Elapsed 00:00:00.71

Btw I'm doing it via MSBuild just because I don't want to install Visual Studio because I'm low on disk space.

[AngkorW]

the same problems always