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Avoiding deployment validation errors with SPFx packages

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Just a quick note on a gotcha I came across when deploying an SPFx package to the App Catalog:

In the package-solution.json file, make sure your solution name doesn't use dot notation (or for my American friends, doesn't contain periods). This appears to prevent SharePoint from recognising your .sppkg file as a valid app package.



I started with a package-solution.json file that resembled the following - a nicely-qualified solution name, or so I thought:

{
    "solution": {
        "name": "Chorus.TiledNewsPart",
        "id": "83a75dd2-26d3-4235-b4ba-d0d4a8b19443",
        "version": "1.0.0.2"
    },
    "paths": {
        "zippedPackage": "solution/chorustilednewspart.sppkg"
    }
}

When I dropped the package into the App Catalog, I saw the following:










As you can see, things don't look good:

A bunch of fields (Title, Product ID, Metadata Language) haven't been populated.The Valid Ap…