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  VS Arduino › › › Suddenly error when build: System.ArgumentException: An entry with the same key already exists
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GeeTee
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Suddenly error when build: System.ArgumentException: An entry with the same key already exists
Oct 28th, 2015 at 5:13pm
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Help

This day I turned on my pc, build my project in Visual Studio and get this messge:

System.ArgumentException: An entry with the same key already exists.
   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.SortedList`2.Add(TKey key, TValue value)
   at Visual.Micro.MiroAppAPI.SketchBuilder.load()
   at Visual.Micro.MiroAppAPI.SketchBuilder.InitSketchBuilder()
   at Visual.Micro.MiroAppAPI.SketchBuilder..ctor(SketchEditor leditor, String path)
   at Visual.Micro.MiroAppAPI.SketchEditor.LoadSketch(String sketchFullFileName)
   at Visual.Micro.Visual.Studio.Arduino.AddInApp.CompileDo(Project oProject, Boolean IsDebugStartCommand)
   at Visual.Micro.Visual.Studio.Arduino.AddInApp.Compile(Project oProject, Boolean IsDebugStartCommand)

yet I CAN BUILD it in Arduioino ide.

Help?
  
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Tim@Visual Micro
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Re: Suddenly error when build: System.ArgumentException: An entry with the same key already exists
Reply #1 - Oct 28th, 2015 at 5:23pm
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Which version of the arduino ide are you using?
Which board are you using?

« Last Edit: Nov 3rd, 2015 at 1:00pm by Tim@Visual Micro »  
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PJ
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Re: Suddenly error when build: System.ArgumentException: An entry with the same key already exists
Reply #2 - Nov 16th, 2017 at 10:45am
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Hi, 

I have the same error :
Error during processing of the command. Please review or post the stack trace in the www.visualmicro.com forumAn entry with the same key already exists. (Visual.Micro.Visual.Studio.Arduino.Helper.SketchCompile)
System.ArgumentException: An entry with the same key already exists.
   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.SortedList`2.Add(TKey key, TValue value)
   at Visual.Micro.MiroAppAPI.SketchBuilder.load()
   at Visual.Micro.MiroAppAPI.SketchBuilder.InitSketchBuilder()
   at Visual.Micro.MiroAppAPI.SketchBuilder..ctor(SketchEditor leditor, String path)
   at Visual.Micro.MiroAppAPI.SketchEditor.LoadSketch(String sketchFullFileName)
   at Visual.Micro.Visual.Studio.Arduino.AddInApp.BuilderWrapperCreate(Object oProject)
   at Visual.Micro.Visual.Studio.Arduino.AddInApp.ExecCmd(String commandName)

Visual Studio Community Edition 2015 
Card Arduino M0 Pro
Arduino IDE 1.8.5

Thank by advance
  
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Tim@Visual Micro
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Re: Suddenly error when build: System.ArgumentException: An entry with the same key already exists
Reply #3 - Nov 18th, 2017 at 1:16pm
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Hi,

It sounds like the same file has been added to a project twice. 

You should see a better error but this can only happen if you added a short cut and then the physical file that is in the project already or possibly some other short cuts to files that are included as standard.

I can be more specific if you switch on vmicro>compiler>verbose and also the "show build properties" menu item. Then build and email the output along with a zip of you project to info[at]visualmicro.com

The next release also has better handling and reporting of this issue. The build should continue but a message should be displayed to say what the duplicate file or path is.
« Last Edit: Nov 18th, 2017 at 11:29pm by Tim@Visual Micro »  
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