Hi editor doesn't work on Opera 9 error is:

Input string was not in a correct format.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.


Stack Trace:

[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +2752739
   System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt) +113
   System.Double.Parse(String s, NumberStyles style, NumberFormatInfo info) +188
   System.Convert.ToDouble(String value) +68
   CuteEditor.Editor.get_BrowserType() +1416
   CuteEditor.Editor.b() +26
   CuteEditor.a.t() +150
   CuteEditor.Editor.CreateChildControls() +29
   System.Web.UI.Control.EnsureChildControls() +87
   System.Web.UI.Control.PreRenderRecursiveInternal() +41
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Control.PreRenderRecursiveInternal() +161
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1360

aspx code:

            <CE:Editor ID="bokmal" runat="server">
     
            </CE:Editor>

in cs file i do not set enything, turned off every parameter, downloaded last version (05-22-2007)

can somebody help me with this?