ColumnFilter error Method 'ToString' on type 'Object' is not accessible.

Wisej-3-ColumnFilter (3.5.17)

ColumnFilter set on DateTime filed in GridView with FilterPanelType set to Wisej.Web.Ext.ColumnFilter.WhereColumnFilterPanel

When selecting value (screenshot attached)

error pops out:

Method ‘ToString’ on type ‘Object’ is not accessible.

at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseMemberAccess(Type type, Expression expression, String id) at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParsePrimary() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseUnary() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseArithmetic() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseAdditive() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseShiftOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseComparisonOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseLogicalAndOrOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseIn() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseAndOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseOrOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseLambdaOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseNullCoalescingOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.ParseConditionalOperator() at System.Linq.Dynamic.Core.Parser.ExpressionParser.Parse(Type resultType, Boolean createParameterCtor) at System.Linq.Dynamic.Core.DynamicExpressionParser.ParseLambda(Type delegateType, ParsingConfig parsingConfig, Boolean createParameterCtor, ParameterExpression[] parameters, Type resultType, String expression, Object[] values) at System.Linq.Dynamic.Core.DynamicExpressionParser.ParseLambda(ParsingConfig parsingConfig, Boolean createParameterCtor, ParameterExpression[] parameters, Type resultType, String expression, Object[] values) at System.Linq.Dynamic.Core.DynamicExpressionParser.ParseLambda(ParsingConfig parsingConfig, Boolean createParameterCtor, Type itType, Type resultType, String expression, Object[] values) at System.Linq.Dynamic.Core.DynamicQueryableExtensions.Where(IQueryable source, ParsingConfig config, String predicate, Object[] args) at System.Linq.Dynamic.Core.DynamicQueryableExtensions.Where[TSource](IQueryable`1 source, ParsingConfig config, String predicate, Object[] args) at System.Linq.Dynamic.Core.DynamicQueryableExtensions.Where[TSource](IQueryable`1 source, String predicate, Object[] args) at Wisej.Web.Ext.ColumnFilter.WhereColumnFilterPanel.ApplyFilters() at Wisej.Web.Ext.ColumnFilter.ColumnFilterPanel.ok_Click(Object sender, EventArgs e) at Wisej.Web.Control.OnClick(EventArgs e) at Wisej.Web.ButtonBase.OnClick(EventArgs e) at Wisej.Web.Button.OnClick(EventArgs e) at Wisej.Web.Button.PerformClick() at Wisej.Web.ButtonBase.ProcessExecuteWebEvent(WisejEventArgs e) at Wisej.Web.ButtonBase.OnWebEvent(WisejEventArgs e) at Wisej.Web.Control.Wisej.Core.IWisejComponent.Event(WisejEventArgs e) at Wisej.Web.Application.ProcessWebEvent(WisejEventArgs e) at Wisej.Web.Application.OnWebEvent(WisejEventArgs e) at Wisej.Web.Application.Wisej.Core.IWisejComponent.Event(WisejEventArgs e) at Wisej.Core.ComponentManager.DispatchEvents(Session session, Object[] events) at Wisej.Core.ResponseManager.<>c__DisplayClass29_0.b__0() at Wisej.Core.IWisejSynchronizedImplementation.Lock(IWisejSynchronized target, Action action) at Wisej.Core.ResponseManager.OnEvent(Session session, Object message) at Wisej.Core.ResponseManager.ProcessRequest(ServiceType service, Object message)