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Unexpected Problem Occurred!

This error has been logged. If this problem persists please contact the web master.

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Detailed error information follows:

Exception Type:        System.ComponentModel.Win32Exception
Exception Message:     The network path was not found
Exception Source:      
Exception Target Site: Object reference not set to an instance of an object.

---- Stack Trace ----



(Outer Exception)
Date and Time:         5/24/2019 2:49:01 AM
Machine Name:          TEL-KB01
Process User:          IIS APPPOOL\scadakbAppPool
Remote User:           
Remote Address:        34.229.151.87
Remote Host:           34.229.151.87
URL:                   http://knowledgebase.citect.com/ScadaKB/KnowledgebaseCategory28.aspx

NET Runtime version:   4.0.30319.42000
Application Domain:    /LM/W3SVC/1/ROOT/ScadaKB-1-132031649088070499

    Assembly                       Version         BuildDate
    --------                       -------         ---------
    mscorlib.dll                   4.0.0.0         12/7/2018 1:01:00 PM
    System.Web.dll                 4.0.0.0         10/30/2018 6:33:50 PM
    System.dll                     4.0.0.0         12/19/2018 3:13:52 PM
    System.Core.dll                4.0.0.0         12/7/2018 1:01:00 PM
    System.Configuration.dll       4.0.0.0         12/7/2018 1:01:00 PM
    System.Xml.dll                 4.0.0.0         3/26/2018 4:24:54 PM
    System.Runtime.Caching.dll     4.0.0.0         3/26/2018 4:24:54 PM
    Microsoft.Build.Utilities.v4.0.dll 4.0.0.0         3/26/2018 4:24:54 PM
    Microsoft.JScript.dll          10.0.0.0        3/26/2018 4:24:54 PM
    App_Code.6s6yiql1.DLL          1.0.7015.34     3/17/2019 1:01:08 AM
    Microsoft.VisualBasic.dll      10.0.0.0        3/26/2018 4:24:54 PM
    System.Web.Services.dll        4.0.0.0         3/26/2018 4:24:54 PM
    System.Web.Mobile.dll          4.0.0.0         3/26/2018 4:24:54 PM
    System.ServiceModel.Activation.dll 4.0.0.0         3/26/2018 4:24:54 PM
    System.Web.Extensions.dll      4.0.0.0         10/30/2018 6:33:50 PM
    InstantASP.Common.DLL          2.0.4.0         10/6/2008 11:59:28 PM
    InstantASP.InstantKB.DLL       2.0.4.0         10/7/2008 5:16:12 AM
    InstantASP.Common.Configuration.DLL 2.0.0.0         9/3/2008 8:07:54 PM
    InstantASP.InstantKB.Data.DLL  2.0.4.0         10/6/2008 11:59:28 PM
    InstantASP.Common.Data.DLL     2.0.4.0         9/25/2008 8:35:52 PM
    System.Data.dll                4.0.0.0         10/5/2018 2:12:24 PM
    System.Transactions.dll        4.0.0.0         8/30/2018 3:13:40 PM
    System.EnterpriseServices.dll  4.0.0.0         3/26/2018 4:24:54 PM
    System.Web.RegularExpressions.dll 4.0.0.0         3/26/2018 4:24:54 PM
    System.Drawing.dll             4.0.0.0         3/26/2018 4:24:54 PM

Exception Type:        System.Data.SqlClient.SqlException
Exception Message:     A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
Exception Source:      .Net SqlClient Data Provider
Exception Target Site: TryGetConnection

---- Stack Trace ----
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(owningObject As DbConnection, waitForMultipleObjectsTimeout As UInt32, allowCreate As Boolean, onlyOneCheckConnection As Boolean, userOptions As DbConnectionOptions, connection As DbConnectionInternal&)
       (unknown file): N 00347
   System.Data.ProviderBase.DbConnectionPool.TryGetConnection(owningObject As DbConnection, retry As TaskCompletionSource`1, userOptions As DbConnectionOptions, connection As DbConnectionInternal&)
       (unknown file): N 00078
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(owningConnection As DbConnection, retry As TaskCompletionSource`1, userOptions As DbConnectionOptions, oldConnection As DbConnectionInternal, connection As DbConnectionInternal&)
       (unknown file): N 00191
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(outerConnection As DbConnection, connectionFactory As DbConnectionFactory, retry As TaskCompletionSource`1, userOptions As DbConnectionOptions)
       (unknown file): N 00154
   System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(outerConnection As DbConnection, connectionFactory As DbConnectionFactory, retry As TaskCompletionSource`1, userOptions As DbConnectionOptions)
       (unknown file): N 00021
   System.Data.SqlClient.SqlConnection.TryOpenInner(retry As TaskCompletionSource`1)
       (unknown file): N 00090
   System.Data.SqlClient.SqlConnection.TryOpen(retry As TaskCompletionSource`1)
       (unknown file): N 00443
   System.Data.SqlClient.SqlConnection.Open()
       (unknown file): N 00096
   InstantASP.Common.Data.DataProvider.OpenDatabaseConnection(Connection As IDbConnection&)
       (unknown file): N 00091
   InstantASP.Common.Data.DataProvider..ctor()
       (unknown file): N 00156
   InstantASP.InstantKB.Data.DataProvider..ctor()
       (unknown file): N 00029
   InstantASP.InstantKB.Business.Tabs.GetTabs(ForceUpdate As Boolean)
       (unknown file): N 00238
   InstantASP.InstantKB.Business.Tabs.SelectTabs(ForceUpdate As Boolean)
       (unknown file): N 00043
   InstantASP.InstantKB.HttpModule.URLRewritterModule.BuildTabReweittingRules()
       (unknown file): N 00122
   InstantASP.InstantKB.HttpModule.URLRewritterModule.Rewrite(requestedPath As String, app As HttpApplication, AppSpecificRules As NameValueCollection)
       (unknown file): N 00150
   InstantASP.Common.HttpModule.RewriteModule.HttpApplication_BeginRequest(sender As Object, e As EventArgs)
       (unknown file): N 00322
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
       (unknown file): N 00141
   System.Web.HttpApplication.ExecuteStepImpl(step As IExecutionStep)
       (unknown file): N 00048
   System.Web.HttpApplication.ExecuteStep(step As IExecutionStep, completedSynchronously As Boolean&)
       (unknown file): N 00071


---- Collections ----

ServerVariables

    APPL_MD_PATH                  /LM/W3SVC/1/ROOT/ScadaKB
    APPL_PHYSICAL_PATH            C:\inetpub\wwwroot\ScadaKB204\
    CONTENT_LENGTH                0
    GATEWAY_INTERFACE             CGI/1.1
    HTTPS                         off
    INSTANCE_ID                   1
    INSTANCE_META_PATH            /LM/W3SVC/1
    LOCAL_ADDR                    203.41.170.170
    PATH_INFO                     /ScadaKB/KnowledgebaseCategory28.aspx
    PATH_TRANSLATED               C:\inetpub\wwwroot\ScadaKB204\KnowledgebaseCategory28.aspx
    REMOTE_ADDR                   34.229.151.87
    REMOTE_HOST                   34.229.151.87
    REMOTE_PORT                   60376
    REQUEST_METHOD                GET
    SCRIPT_NAME                   /ScadaKB/KnowledgebaseCategory28.aspx
    SERVER_NAME                   knowledgebase.citect.com
    SERVER_PORT                   80
    SERVER_PORT_SECURE            0
    SERVER_PROTOCOL               HTTP/1.1
    SERVER_SOFTWARE               Microsoft-IIS/8.5
    URL                           /ScadaKB/KnowledgebaseCategory28.aspx
    HTTP_CONNECTION               Keep-Alive
    HTTP_ACCEPT                   text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
    HTTP_ACCEPT_ENCODING          gzip
    HTTP_ACCEPT_LANGUAGE          en-US,en;q=0.5
    HTTP_HOST                     knowledgebase.citect.com
    HTTP_USER_AGENT               CCBot/2.0 (https://commoncrawl.org/faq/)