Service Connect Error

what does this error mean? we us service connect to manage our PLM to Epicor connection. we are not getting new records into epicor and noticed this error in Service connect.

Failed to clean up references: Failed to clean Epicor/Kinetic sessions cache <?xml version="1.0" ?>Epicor.NETProxy.RemoteNETProxy.CleanCache(String processID, Int32 timeout, Int32& remainingSessions, Boolean& someSessionsRemoved)This operation returned because the timeout period expired. (Exception from HRESULT: 0x800705B4)System.Threading.ReaderWriterLock.AcquireWriterLockInternal(Int32 millisecondsTimeout)System.ApplicationException