StackOverFlow error

[IslamTaleb11]

System.StackOverflowException
HResult=0x800703E9
Message=Exception of type 'System.StackOverflowException' was thrown.

app.UseChargilyPayWebhookValidation();

app.MapChargilyPayWebhookEndpoint("/chargily/webhook", async (webhookContext) =>
{
    // you can access the webhook body, http context, validation result
    if (webhookContext.SignatureIsValid)
    {
        var body = webhookContext.Request;
        /* do something with the webhook request body */
    }
});