diff --git a/web/Formatters/FormatterException.cs b/web/Formatters/FormatterException.cs
new file mode 100644
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+++ b/web/Formatters/FormatterException.cs
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+//
+//  TexToPdfFormatter.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.Net.Http.Formatting;
+using System.Net.Http.Headers;
+using System.Collections.Generic;
+using System.IO;
+using System.Web;
+using System.Diagnostics;
+using System.Net.Http;
+using Yavsc.Helpers;
+
+namespace Yavsc.Formatters
+{
+	/// <summary>
+	/// Formatter exception.
+	/// </summary>
+	public class FormatterException : Exception
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Formatters.FormatterException"/> class.
+		/// </summary>
+		/// <param name="message">Message.</param>
+		public FormatterException(string message):base(message)
+		{
+		}
+		/// <summary>
+		/// Initializes a new instance of the <see cref="Yavsc.Formatters.FormatterException"/> class.
+		/// </summary>
+		/// <param name="message">Message.</param>
+		/// <param name="innerException">Inner exception.</param>
+		public FormatterException(string message,Exception innerException):base(message,innerException)
+		{
+		}
+	}
+}