{"action":"created","issue":{"url":"https://api.github.com/repos/aspnet/EntityFramework/issues/3553","labels_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/3553/labels{/name}","comments_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/3553/comments","events_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/3553/events","html_url":"https://github.com/aspnet/EntityFramework/issues/3553","id":113212638,"number":3553,"title":"Unable to move from build 16018 to 16105 on aspnetcidev","user":{"login":"ErikEJ","id":4169187,"avatar_url":"https://avatars.githubusercontent.com/u/4169187?v=3","gravatar_id":"","url":"https://api.github.com/users/ErikEJ","html_url":"https://github.com/ErikEJ","followers_url":"https://api.github.com/users/ErikEJ/followers","following_url":"https://api.github.com/users/ErikEJ/following{/other_user}","gists_url":"https://api.github.com/users/ErikEJ/gists{/gist_id}","starred_url":"https://api.github.com/users/ErikEJ/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ErikEJ/subscriptions","organizations_url":"https://api.github.com/users/ErikEJ/orgs","repos_url":"https://api.github.com/users/ErikEJ/repos","events_url":"https://api.github.com/users/ErikEJ/events{/privacy}","received_events_url":"https://api.github.com/users/ErikEJ/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-10-25T08:11:56Z","updated_at":"2015-10-26T18:24:48Z","closed_at":null,"body":"**Failed to add reference to 'System.Collections.Concurrent'. Please make sure that it is in the Global Assembly Cache.**\r\n\r\nWith the SQL CE provider project: .NET 4.5.1 Class Library in VS 2015 with NuGet extension version: 3.2.60914, I get the error, when only updating Microsoft.Extensions.Logging from aspnetcidev, blocking me from moving to the latest RC1 bits. Also installing from a \"empty\" project with no NuGet dependencies causes the same error. \r\n \r\nPM> Install-Package Microsoft.Extensions.Logging -Pre\r\nAttempting to gather dependencies information for package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741' with respect to project 'EntityFramework.SqlServerCompact35', targeting '.NETFramework,Version=v4.5.1'\r\nAttempting to resolve dependencies for package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741' with DependencyBehavior 'Lowest'\r\nResolving actions to install package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741'\r\nResolved actions to install package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741'\r\nRemoved package 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15705' from 'packages.config'\r\nSuccessfully uninstalled 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15705' from EntityFramework.SqlServerCompact35\r\nRemoved package 'Microsoft.Extensions.Logging.1.0.0-rc1-15704' from 'packages.config'\r\nSuccessfully uninstalled 'Microsoft.Extensions.Logging.1.0.0-rc1-15704' from EntityFramework.SqlServerCompact35\r\nRemoved package 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15704' from 'packages.config'\r\nSuccessfully uninstalled 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15704' from EntityFramework.SqlServerCompact35\r\nAdding package 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15736' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15736' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15736' to 'packages.config'\r\nSuccessfully installed 'Microsoft.Extensions.DependencyInjection.Abstractions 1.0.0-rc1-15736' to EntityFramework.SqlServerCompact35\r\nAdding package 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15741' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15741' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15741' to 'packages.config'\r\nSuccessfully installed 'Microsoft.Extensions.Logging.Abstractions 1.0.0-rc1-15741' to EntityFramework.SqlServerCompact35\r\nAdding package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.Logging.1.0.0-rc1-15741' to folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nInstall failed. Rolling back...\r\nPackage 'Microsoft.Extensions.Logging 1.0.0-rc1-15741' does not exist in project 'EntityFramework.SqlServerCompact35'\r\nRemoved package 'Microsoft.Extensions.Logging.Abstractions 1.0.0-rc1-15741' from 'packages.config'\r\nRemoved package 'Microsoft.Extensions.DependencyInjection.Abstractions 1.0.0-rc1-15736' from 'packages.config'\r\nPackage 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15704' already exists in folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.Logging.Abstractions.1.0.0-rc1-15704' to 'packages.config'\r\nPackage 'Microsoft.Extensions.Logging.1.0.0-rc1-15704' already exists in folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.Logging.1.0.0-rc1-15704' to 'packages.config'\r\nPackage 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15705' already exists in folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nAdded package 'Microsoft.Extensions.DependencyInjection.Abstractions.1.0.0-rc1-15705' to 'packages.config'\r\nRemoving package 'Microsoft.Extensions.Logging 1.0.0-rc1-15741' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nRemoved package 'Microsoft.Extensions.Logging 1.0.0-rc1-15741' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nRemoving package 'Microsoft.Extensions.Logging.Abstractions 1.0.0-rc1-15741' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nRemoved package 'Microsoft.Extensions.Logging.Abstractions 1.0.0-rc1-15741' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nRemoving package 'Microsoft.Extensions.DependencyInjection.Abstractions 1.0.0-rc1-15736' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nRemoved package 'Microsoft.Extensions.DependencyInjection.Abstractions 1.0.0-rc1-15736' from folder 'C:\\Code\\EntityFramework7.SqlServerCompact\\packages'\r\nInstall-Package : **Failed to add reference to 'System.Collections.Concurrent'. Please make sure that it is in the Global Assembly Cache.**\r\nAt line:1 char:1\r\n+ Install-Package Microsoft.Extensions.Logging -Pre\r\n+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r\n    + CategoryInfo          : NotSpecified: (:) [Install-Package], Exception\r\n    + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PackageManagement.PowerShellCmdlets.InstallPackageCommand\r\n"},"comment":{"url":"https://api.github.com/repos/aspnet/EntityFramework/issues/comments/151237020","html_url":"https://github.com/aspnet/EntityFramework/issues/3553#issuecomment-151237020","issue_url":"https://api.github.com/repos/aspnet/EntityFramework/issues/3553","id":151237020,"user":{"login":"ErikEJ","id":4169187,"avatar_url":"https://avatars.githubusercontent.com/u/4169187?v=3","gravatar_id":"","url":"https://api.github.com/users/ErikEJ","html_url":"https://github.com/ErikEJ","followers_url":"https://api.github.com/users/ErikEJ/followers","following_url":"https://api.github.com/users/ErikEJ/following{/other_user}","gists_url":"https://api.github.com/users/ErikEJ/gists{/gist_id}","starred_url":"https://api.github.com/users/ErikEJ/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ErikEJ/subscriptions","organizations_url":"https://api.github.com/users/ErikEJ/orgs","repos_url":"https://api.github.com/users/ErikEJ/repos","events_url":"https://api.github.com/users/ErikEJ/events{/privacy}","received_events_url":"https://api.github.com/users/ErikEJ/received_events","type":"User","site_admin":false},"created_at":"2015-10-26T18:24:48Z","updated_at":"2015-10-26T18:24:48Z","body":"The issue could be related to https://github.com/aspnet/Logging/commit/cceb0dcc43e572ebcd3650b7628e052e22308b85 I guess. @bricelam ??"}}