Print this post - setSelectedLevel gives an Error

Hello,

I am attempting to select a level in a building via the API.

Below is a snippet of code that successfully runs until
the last line is reached.

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         var HOME;
	 var HPC =  viewHome("viewerCanvas",   
           homeUrl,          
           onerror,           
           onprogression,    
          { roundsPerMinute: 0,                
            navigationPanel: "default",                                           
            levelsAndCamerasListId: "levelsAndCameras",         
            selectableLevels: ["Level 1", "Level 2"],     
            activateCameraSwitchKey: true                      
          });

       HOME = HPC.getHome();

       var theLevels = HOME.getLevels();
       var levelName = theLevels[0].getName();
       console.log('levelName: '+levelName);
       var objLevel = theLevels[0];
       console.log(objLevel);
       HOME.setSelectedLevel("Level 1", objLevel);

At the line:

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      HOME.setSelectedLevel("Level 1", objLevel);

A javascript error occurs, which is:

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      "Error: TypeError: m.getElevation is not a function"

However, the code prints the object 'objLevel'

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       console.log(objLevel);

I can see in the console log, the object 'objLevel' shows
there is a function named "getElevation".

Does anyone have an idea why there is an error of
"getElevation is not a function"
and yet there is a function named "getElevation" in the object
that is being passed to HOME.setSelectedLevel() ?

Below is a screen shot of the console output.

thank you for your help.