title: xcode: can't upload app to store because of app Icon error
body: <p>I want to upload my app to the store but i have this problem:
  <a href="https://i.stack.imgur.com/f4JBY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f4JBY.png" alt="enter image description here"></a></p>
  
  <p>this is the app general properties image:
  <a href="https://i.stack.imgur.com/iDmVY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iDmVY.png" alt="app general properties"></a></p>
  
  <p>this is the <code>.scassets</code> image:
  <a href="https://i.stack.imgur.com/SRWaH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/SRWaH.png" alt="enter image description here"></a></p>
  
  <p>and this is the <code>Contents.json</code> :</p>
  
  <pre><code>{
    "images" : [
      {
        "size" : "20x20",
        "idiom" : "iphone",
        "filename" : "Icon-App-20x20@2x.png",
        "scale" : "2x"
      },
      {
        "size" : "20x20",
        "idiom" : "iphone",
        "filename" : "Icon-App-20x20@3x.png",
        "scale" : "3x"
      },
      {
        "size" : "29x29",
        "idiom" : "iphone",
        "filename" : "Icon-App-29x29@2x.png",
        "scale" : "2x"
      },
      {
        "size" : "29x29",
        "idiom" : "iphone",
        "filename" : "Icon-App-29x29@3x.png",
        "scale" : "3x"
      },
      {
        "size" : "40x40",
        "idiom" : "iphone",
        "filename" : "Icon-App-40x40@2x.png",
        "scale" : "2x"
      },
      {
        "size" : "40x40",
        "idiom" : "iphone",
        "filename" : "Icon-App-40x40@3x.png",
        "scale" : "3x"
      },
      {
        "size" : "60x60",
        "idiom" : "iphone",
        "filename" : "Icon-App-60x60@2x.png",
        "scale" : "2x"
      },
      {
        "size" : "60x60",
        "idiom" : "iphone",
        "filename" : "Icon-App-60x60@3x.png",
        "scale" : "3x"
      },
      {
        "size" : "20x20",
        "idiom" : "ipad",
        "filename" : "Icon-App-20x20@1x.png",
        "scale" : "1x"
      },
      {
        "size" : "20x20",
        "idiom" : "ipad",
        "filename" : "Icon-App-20x20@2x-1.png",
        "scale" : "2x"
      },
      {
        "size" : "29x29",
        "idiom" : "ipad",
        "filename" : "Icon-App-29x29@1x.png",
        "scale" : "1x"
      },
      {
        "size" : "29x29",
        "idiom" : "ipad",
        "filename" : "Icon-App-29x29@2x-1.png",
        "scale" : "2x"
      },
      {
        "size" : "40x40",
        "idiom" : "ipad",
        "filename" : "Icon-App-40x40@1x.png",
        "scale" : "1x"
      },
      {
        "size" : "40x40",
        "idiom" : "ipad",
        "filename" : "Icon-App-40x40@2x-1.png",
        "scale" : "2x"
      },
      {
        "size" : "76x76",
        "idiom" : "ipad",
        "filename" : "Icon-App-76x76@1x.png",
        "scale" : "1x"
      },
      {
        "size" : "76x76",
        "idiom" : "ipad",
        "filename" : "Icon-App-76x76@2x.png",
        "scale" : "2x"
      },
      {
        "size" : "83.5x83.5",
        "idiom" : "ipad",
        "filename" : "Icon-App-83.5x83.5@2x.png",
        "scale" : "2x"
      },
      {
        "idiom" : "ios-marketing",
        "size" : "1024x1024",
        "scale" : "1x"
      }
    ],
    "info" : {
      "version" : 1,
      "author" : "xcode"
    }
  }
  </code></pre>
  
  <p>when i run in simulator(Iphone 5 and other), i found that it works correctly and set app icon correctly.
  all sizes in the correct size.
  what should i do to solve this problem please!!</p>