Server Error in '/adlibfj' Application.

Cannot connect to wwwopac [https://webopac.cfwb.be/wwwopacxnivellesfj/wwwopac.ashx] The request was aborted: Could not create SSL/TLS secure channel.

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.Net.WebException: Cannot connect to wwwopac [https://webopac.cfwb.be/wwwopacxnivellesfj/wwwopac.ashx] The request was aborted: Could not create SSL/TLS secure channel.

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:


[WebException: Cannot connect to wwwopac [https://webopac.cfwb.be/wwwopacxnivellesfj/wwwopac.ashx] The request was aborted: Could not create SSL/TLS secure channel.]
   ApplicationInfo..ctor(String globalSettingsFilename, String formSettingsFilename, String accessFilename, String[] userHelpFilenameArray, String[] userLanguageFilenameArray) in D:\Projects\AdlibInternetServer\State\ApplicationInfo.cs:48
   InternetServer.Global.Application_Start(Object sender, EventArgs e) in D:\Projects\Internetserver3.1.2\InternetServer\Global.asax.cs:15

[HttpException (0x80004005): Cannot connect to wwwopac [https://webopac.cfwb.be/wwwopacxnivellesfj/wwwopac.ashx] The request was aborted: Could not create SSL/TLS secure channel.]
   System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +546
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +171
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +173
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +255
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +347

[HttpException (0x80004005): Cannot connect to wwwopac [https://webopac.cfwb.be/wwwopacxnivellesfj/wwwopac.ashx] The request was aborted: Could not create SSL/TLS secure channel.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +552
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +122
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +737


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4667.0