Cannot have a binary valued schema key

Change detection engine import all items failed.
Change detection engine import all items for connector binaryCSV failed with reason An error occurred while evaluating a task on a worker thread. See the inner exception details for information.. Duration: 00:00:00.4550782
Error details:
Unify.Framework.EvaluatorVisitorException: An error occurred while evaluating a task on a worker thread. See the inner exception details for information. ---> System.Data.SqlClient.SqlException: The data types varbinary(max) and image are incompatible in the equal to operator.
at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()
at System.Data.SqlClient.SqlDataReader.get_MetaData()
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
at System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior)
at System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult)
at System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries)
at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query)
at System.Data.Linq.DataQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator()
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
at Unify.Framework.Data.LinqWhereQuery`5.GetEnumerator()
at Unify.Framework.Collections.EnumerableExtensions.ToDictionaryWithKeyClashError[TKey,TValue,TOriginal](IEnumerable`1 originalEnumerable, Func`2 keySelector, Func`2 valueSelector, Action`3 duplicateAction)
at Unify.Product.IdentityBroker.EntityRepositoryExtensions.ConvertConnectorEntitiesWithRepositoryEntities(IEnumerable`1 connectorEntities, IMultiKey`1 schemaKey, IQueryable`1 sourceEntities, Guid connectorId, IEnumerable`1 originalEntities)
at Unify.Product.IdentityBroker.RepositoryChangeDetectionWorkerBase.PerformChangeDetectionOnConnectorEntityPage(IEnumerable`1 connectorEntities, Int32& index, Int32 entitiesProcessedSoFar, IEntityChangesReportGenerator`2 reportGenerator)
at Unify.Product.IdentityBroker.RepositoryChangeDetectionWorkerBase.<>c__DisplayClass3.<PerformChangeDetection>b__0(IEnumerable`1 page)
at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.ThreadsafeItemEvaluator.Evaluate()
--- End of inner exception stack trace ---
at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.CheckForException()
at Unify.Framework.Visitor.ThreadsafeVisitorEvaluator`1.Visit()
at Unify.Product.IdentityBroker.RepositoryChangeDetectionWorkerBase.PerformChangeDetection(IEnumerable`1 connectorEntities)
at Unify.Product.IdentityBroker.ChangeDetectionImportAllJob.ImportAllChangeProcess()
at Unify.Product.IdentityBroker.ChangeDetectionImportAllJob.RunBase()
at Unify.Framework.DefinedScopeJobAuditTrailJobDecorator.Run()
at Unify.Product.IdentityBroker.QueuedConnectorExecutionProcessorEndDecorator.Run()