The requested service, 'net.tcp://sql1/Epicor/Ice/BO/BpTableDependSearch.svc' could not be activated. See the server's diagnostic trace logs for more information

Anyone can help fix the following error? Thanks.

Application Error

Exception caught in: mscorlib

Error Detail

Message: The requested service, ‘net.tcp://sql1/Epicor/Ice/BO/BpTableDependSearch.svc’ could not be activated. See the server’s diagnostic trace logs for more information.
Program: CommonLanguageRuntimeLibrary
Method: HandleReturnMessage

Client Stack Trace

Server stack trace:
at System.ServiceModel.Channels.ConnectionUpgradeHelper.DecodeFramingFault(ClientFramingDecoder decoder, IConnection connection, Uri via, String contentType, TimeoutHelper& timeoutHelper)
at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.SendPreamble(IConnection connection, ArraySegment1 preamble, TimeoutHelper& timeoutHelper) at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.DuplexConnectionPoolHelper.AcceptPooledConnection(IConnection connection, TimeoutHelper& timeoutHelper) at System.ServiceModel.Channels.ConnectionPoolHelper.EstablishConnection(TimeSpan timeout) at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.OnOpen(TimeSpan timeout) at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) at System.ServiceModel.Channels.SecurityChannelFactory1.ClientSecurityChannel`1.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open()

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at System.ServiceModel.ICommunicationObject.Open()
at Epicor.ServiceModel.Channels.ChannelEntry1.CreateNewChannel() at Epicor.ServiceModel.Channels.ChannelEntry1.CreateChannel()
at Epicor.ServiceModel.Channels.ChannelEntry1.GetContract() at Epicor.ServiceModel.Channels.ImplBase1.GetChannel()
at Epicor.ServiceModel.Channels.ImplBase`1.HandleContractBeforeCall()
at Ice.Proxy.BO.BpTableDependSearchImpl.GetConnectedTables(String tableSchema, String tableID)
at Ice.Adapters.BpTableDependSearchAdapter.GetConnectedTables(String tableSchema, String tableId)

Make sure the app pool is started for that database. @b.huang

What does the Flight Data Recorder say

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What happened @b.huang ?

Thank you all, the problem was resolved by rebooting the system.

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