{"action":"closed","issue":{"url":"https://api.github.com/repos/aspnet/Blazor/issues/1048","repository_url":"https://api.github.com/repos/aspnet/Blazor","labels_url":"https://api.github.com/repos/aspnet/Blazor/issues/1048/labels{/name}","comments_url":"https://api.github.com/repos/aspnet/Blazor/issues/1048/comments","events_url":"https://api.github.com/repos/aspnet/Blazor/issues/1048/events","html_url":"https://github.com/aspnet/Blazor/issues/1048","id":336328573,"node_id":"MDU6SXNzdWUzMzYzMjg1NzM=","number":1048,"title":"Error <LangVersion>7.3</LangVersion>","user":{"login":"IyyappanAmirthalingam","id":20252001,"node_id":"MDQ6VXNlcjIwMjUyMDAx","avatar_url":"https://avatars0.githubusercontent.com/u/20252001?v=4","gravatar_id":"","url":"https://api.github.com/users/IyyappanAmirthalingam","html_url":"https://github.com/IyyappanAmirthalingam","followers_url":"https://api.github.com/users/IyyappanAmirthalingam/followers","following_url":"https://api.github.com/users/IyyappanAmirthalingam/following{/other_user}","gists_url":"https://api.github.com/users/IyyappanAmirthalingam/gists{/gist_id}","starred_url":"https://api.github.com/users/IyyappanAmirthalingam/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/IyyappanAmirthalingam/subscriptions","organizations_url":"https://api.github.com/users/IyyappanAmirthalingam/orgs","repos_url":"https://api.github.com/users/IyyappanAmirthalingam/repos","events_url":"https://api.github.com/users/IyyappanAmirthalingam/events{/privacy}","received_events_url":"https://api.github.com/users/IyyappanAmirthalingam/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2018-06-27T17:52:00Z","updated_at":"2018-06-27T21:44:13Z","closed_at":"2018-06-27T21:44:13Z","author_association":"NONE","body":"Hi,\r\n\r\nWhen I try to create and run the Blazor app with the following steps it throws the follwing error \r\n\r\n**Steps 👍 \r\ndotnet new -i Microsoft.AspNetCore.Blazor.Templates\r\ndotnet new blazor -o BlazorApp1\r\ncd BlazorApp1\r\ndotnet run**\r\n\r\nError 👎 \r\n**CSC : error CS1617: Invalid option '7.3' for /langversion. Use '/langversion:?' to list supported values. [C:\\sample\\BlazorApp1\\BlazorApp1.csproj]**\r\n\r\n**The build failed. Please fix the build errors and run again.**\r\n\r\nThanks."}}
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