Internal Error: Error executing query: System.InvalidOperationException: Prepare erfordert eine geöffnete und verfügbare Connection. Der aktuelle Status der Verbindung: Broken. bei Telerik.OpenAccess.RT.Adonet2Generic.Impl.PreparedStatementImp.executeQuery(Nullable`1 commandTimeout) bei OpenAccessRuntime.Relational.conn.PooledPreparedStatement.executeQuery(Nullable`1 commandTimeout) bei OpenAccessRuntime.Relational.fetch.FetchResultImp.Execute() SQL: SELECT TOP(??T) a.[ID_LandRegion] AS COL1, a.[Continent] AS COL2, a.[EconomicArea] AS COL3, a.[HS_Code_Member] AS COL4, a.[IDextern] AS COL5, a.[IV_ContentSchwierigkeitsgrad] AS COL6, a.[Infotext_DE] AS COL7, a.[Infotext_EN] AS COL8, a.[IsApproved] AS COL9, a.[IstCE_Relevant] AS COL10, a.[IstRegion] AS COL11, a.[Latitude] AS COL12, a.[Longitude] AS COL13, a.[Name_DE] AS COL14, a.[Name_EN] AS COL15, a.[Name_Extern] AS COL16, a.[OfficialLanguage] AS COL17, a.[StandardInstitute] AS COL18, a.[IV_ContentSchwierigkeitsgrad] AS COL19 FROM [tLandRegion] a WHERE upper(a.[ID_LandRegion]) = upper(?) System.InvalidOperationException: Prepare erfordert eine geöffnete und verfügbare Connection. Der aktuelle Status der Verbindung: Broken. bei Telerik.OpenAccess.RT.Adonet2Generic.Impl.PreparedStatementImp.executeQuery(Nullable`1 commandTimeout) bei OpenAccessRuntime.Relational.conn.PooledPreparedStatement.executeQuery(Nullable`1 commandTimeout) bei OpenAccessRuntime.Relational.fetch.FetchResultImp.Execute()