Hello Sanjay, thanks, I tried hiding it and I am pasting here the error I am getting:

ModuleId: 388
ModuleDefId: 105
FriendlyName: Feedback
ModuleControlSource: DesktopModules/Feedback/Feedback.ascx
AssemblyVersion: 04.09.00
PortalID: 0
PortalName: MLO
UserID: 2
UserName: admin
ActiveTabID: 68
ActiveTabName: Conference registration
RawURL: /mlo/Conferences/Conferenceregistration/tabid/68/language/en-US/Default.aspx
AbsoluteURL: /mlo/Default.aspx
AbsoluteURLReferrer:
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: b188937d-fcf3-4440-9298-4f1fbc37898e
InnerException: Input string was not in a correct format.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Number.StringToNumber
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: Input string was not in a correct format. ---> System.formatException: Input string was not in a correct format. at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberformatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberformatInfo info) at System.Convert.ToInt32(String value) at DotNetNuke.Modules.Feedback.Feedback.cmdSend_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---
Source:
Server Name: P3SWH041