Server Error in '/' Application.

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS0144: Cannot create an instance of the abstract class or interface 'SpeechLib.SpVoice'

Source Error:


Line 261:    protected void ReadCaptcha(object sender, EventArgs e)
Line 262:    {
Line 263:        SpVoice voice = new SpVoice();
Line 264:
Line 265:        char[] text = ((string)ViewState["captcha"]).ToCharArray();

Source File: c:\inetpub\wwwroot\LocalUser\sequel\girobimbi.it\CaptchaControl1.ascx.cs    Line: 263






Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.9195.0