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POEntity Framework: The provider did not return a providermanifest instance
 

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  1. POEntity Framework: The provider did not return a providermanifest instance
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    <p>Entity Framework 6.0.1 my App.config:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;configuration&gt; &lt;configSections&gt; &lt;!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 --&gt; &lt;section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" /&gt; &lt;/configSections&gt; &lt;startup&gt; &lt;supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" /&gt; &lt;/startup&gt; &lt;entityFramework&gt; &lt;defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" /&gt; &lt;providers&gt; &lt;provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" /&gt; &lt;/providers&gt; &lt;/entityFramework&gt; &lt;connectionStrings&gt; &lt;add name="MyDataContext" connectionString="Data Source=MyDb;Initial Catalog=mycatalog;Persist Security Info=True;User ID=admin;Password=123;MultipleActiveResultSets=True" providerName="System.Data.SqlClient" /&gt; &lt;/connectionStrings&gt; &lt;/configuration&gt; </code></pre> <p>And <code>MyDataContext</code> class for using EF:</p> <pre><code>public partial class MyDataContext: DbContext { static MyDataContext() { Database.SetInitializer&lt;MyDataContext&gt;(null); } public MyDataContext() : base("MyDataContext") { } } </code></pre> <p>A context is created, but when I tried to get any entity or do anything with Database it throw exception</p> <pre><code>using (var db = new MyDataContext()) { var exists = db.Database.Exists(); } </code></pre> <p>exception is</p> <pre><code>System.Data.ProviderIncompatibleException: The provider did not return a providermanifest instance StackTrace: in System.Data.Common.DbProviderServices.GetProviderManifest(String manifestToken) in System.Data.Entity.ModelConfiguration.Utilities.DbConnectionExtensions.GetProviderInfo(DbConnection connection, DbProviderManifest&amp; providerManifest) in System.Data.Entity.DbModelBuilder.Build(DbConnection providerConnection) in System.Data.Entity.Internal.LazyInternalContext.CreateModel(LazyInternalContext internalContext) in System.Data.Entity.Internal.RetryLazy`2.GetValue(TInput input) in System.Data.Entity.Internal.LazyInternalContext.InitializeContext() in System.Data.Entity.Internal.InternalContext.CreateObjectContextForDdlOps() in System.Data.Entity.Database.Exists() </code></pre> <p>with inner exception:</p> <pre><code>System.Configuration.ConfigurationErrorException: Configuration system failed to initialize StackTrace: в System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e) в System.Configuration.Internal.InternalConfigRoot.RemoveConfigImpl(String configPath, BaseConfigurationRecord configRecord) в System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere, Object&amp; result, Object&amp; resultRuntimeObject) в System.Configuration.BaseConfigurationRecord.GetSection(String configKey) в System.Configuration.ConfigurationManager.GetSection(String sectionName) в System.Xml.Schema.Parser..ctor(SchemaType schemaType, XmlNameTable nameTable, SchemaNames schemaNames, ValidationEventHandler eventHandler) в System.Xml.Schema.XmlSchema.Read(XmlReader reader, ValidationEventHandler validationEventHandler) в System.Data.Entity.Core.SchemaObjectModel.Schema.SomSchemaSetHelper.AddXmlSchemaToSet(XmlSchemaSet schemaSet, XmlSchemaResource schemaResource, HashSet`1 schemasAlreadyAdded) в System.Data.Entity.Core.SchemaObjectModel.Schema.SomSchemaSetHelper.ComputeSchemaSet(SchemaDataModelOption dataModel) в System.Data.Entity.Core.Common.Utils.Memoizer`2.&lt;&gt;c__DisplayClass2.&lt;Evaluate&gt;b__0() в System.Data.Entity.Core.Common.Utils.Memoizer`2.Result.GetValue() в System.Data.Entity.Core.Common.Utils.Memoizer`2.Evaluate(TArg arg) в System.Data.Entity.Core.SchemaObjectModel.Schema.SomSchemaSetHelper.GetSchemaSet(SchemaDataModelOption dataModel) в System.Data.Entity.Core.SchemaObjectModel.Schema.CreateXmlReaderSettings() в System.Data.Entity.Core.SchemaObjectModel.Schema.Parse(XmlReader sourceReader, String sourceLocation) в System.Data.Entity.Core.SchemaObjectModel.SchemaManager.ParseAndValidate(IEnumerable`1 xmlReaders, IEnumerable`1 sourceFilePaths, SchemaDataModelOption dataModel, AttributeValueNotification providerNotification, AttributeValueNotification providerManifestTokenNotification, ProviderManifestNeeded providerManifestNeeded, IList`1&amp; schemaCollection) в System.Data.Entity.Core.SchemaObjectModel.SchemaManager.ParseAndValidate(IEnumerable`1 xmlReaders, IEnumerable`1 sourceFilePaths, SchemaDataModelOption dataModel, DbProviderManifest providerManifest, IList`1&amp; schemaCollection) в System.Data.Entity.Core.SchemaObjectModel.SchemaManager.LoadProviderManifest(XmlReader xmlReader, String location, Boolean checkForSystemNamespace, Schema&amp; schema) в System.Data.Entity.Core.Common.DbXmlEnabledProviderManifest.Load(XmlReader reader) в System.Data.Entity.Core.Common.DbXmlEnabledProviderManifest..ctor(XmlReader reader) в System.Data.Entity.SqlServer.SqlProviderManifest..ctor(String manifestToken) в System.Data.Entity.SqlServer.SqlProviderServices.GetDbProviderManifest(String versionHint) в System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifest(String manifestToken) and it with inner exception: System.Configuration.ConfigurationErrorException: Unknown configuration section userSettings. (C:\\Users\\Tema\\AppData\\Local\\Mgr\\Mgr.vshost.exe_Url_slqi2aqp0duilazpy21vojhl3ssnjluh\\1.0.0.0\\user.config line 3) StackTrace: в System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal) в System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors) в System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e) </code></pre> <p>Maybe anyone encountered this problem? Thank you.</p>
    singulars
    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. This table or related slice is empty.
    1. USTemaska
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. COI just deleted file with UserSettings `C:\\Users\\Tema\\AppData\\Local\\Mgr\\Mgr.vshost.exe_Url_slqi2aqp0duilazpy21vojhl3ssnjluh\\1.0.0.0\\user.config` and it solved my problem
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      1. POEntity Framework: The provider did not return a providermanifest instance
      1. USTemaska
 

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