Not able to resolve these errors when trying the WebScheduler.

Exception information:

    Exception type: Exception

    Exception message: Syntax error: Missing operand before '=' operator.

   at ISNet.WebUI.ISNetControl.ControlRequestHandler(Object sender, EventArgs e)

   at System.EventHandler.Invoke(Object sender, EventArgs e)

   at System.Web.UI.Control.OnPreRender(EventArgs e)

   at System.Web.UI.Control.PreRenderRecursiveInternal()

   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Syntax error: Missing operand before '=' operator.

   at System.Data.ExpressionParser.Parse()

   at System.Data.DataExpression..ctor(DataTable table, String expression, Type type)

   at System.Data.Select..ctor(DataTable table, String filterExpression, String sort, DataViewRowState recordStates)

   at System.Data.DataTable.Select(String filterExpression)

   at ‘_.•_.Œ(DateTime startRange, DateTime endRange, Boolean isCalendarBind)

   at ‘_.•_.†(Int32 year, Int32 month)

   at ‘_.•_.‚(Int32 year, Int32 month)

   at ISNet.WebUI.WebScheduler.WebScheduler.__(Int32 year, Int32 month)

   at ISNet.WebUI.WebScheduler.WebScheduler._‚()

   at ISNet.WebUI.WebScheduler.WebScheduler._‚()

   at ISNet.WebUI.WebScheduler.WebScheduler.OnPreRender()

   at ISNet.WebUI.ISNetControl.ControlRequestHandler(Object sender, EventArgs e)