--- a/Core/Enumerations.cpp	Tue Aug 25 13:37:57 2015 +0200
+++ b/Core/Enumerations.cpp	Tue Aug 25 14:00:57 2015 +0200
@@ -40,6 +40,100 @@
 
 namespace Orthanc
 {
+  const char* EnumerationToString(ErrorCode error)
+  {
+    switch (error)
+    {
+      case ErrorCode_Success:
+        return "Success";
+
+      case ErrorCode_Custom:
+        return "Custom error, see the attached error message";
+
+      case ErrorCode_InternalError:
+        return "Internal error";
+
+      case ErrorCode_NotImplemented:
+        return "Not implemented yet";
+
+      case ErrorCode_ParameterOutOfRange:
+        return "Parameter out of range";
+
+      case ErrorCode_NotEnoughMemory:
+        return "Not enough memory";
+
+      case ErrorCode_BadParameterType:
+        return "Bad type for a parameter";
+
+      case ErrorCode_BadSequenceOfCalls:
+        return "Bad sequence of calls";
+
+      case ErrorCode_UriSyntax:
+        return "Badly formatted URI";
+
+      case ErrorCode_InexistentFile:
+        return "Inexistent file";
+
+      case ErrorCode_BadFileFormat:
+        return "Bad file format";
+
+      case ErrorCode_CannotWriteFile:
+        return "Cannot write to file";
+
+      case ErrorCode_Timeout:
+        return "Timeout";
+
+      case ErrorCode_UnknownResource:
+        return "Unknown resource";
+
+      case ErrorCode_IncompatibleDatabaseVersion:
+        return "Incompatible version of the database";
+
+      case ErrorCode_FullStorage:
+        return "The file storage is full";
+
+      case ErrorCode_InexistentItem:
+        return "Accessing an inexistent item";
+
+      case ErrorCode_BadRequest:
+        return "Bad request";
+
+      case ErrorCode_NetworkProtocol:
+        return "Error in the network protocol";
+
+      case ErrorCode_CorruptedFile:
+        return "Corrupted file (inconsistent MD5 hash)";
+
+      case ErrorCode_InexistentTag:
+        return "Inexistent tag";
+
+      case ErrorCode_ReadOnly:
+        return "Cannot modify a read-only data structure";
+
+      case ErrorCode_IncompatibleImageSize:
+        return "Incompatible size of the images";
+
+      case ErrorCode_IncompatibleImageFormat:
+        return "Incompatible format of the images";
+
+      case ErrorCode_SharedLibrary:
+        return "Error while using a shared library (plugin)";
+
+      case ErrorCode_SystemCommand:
+        return "Error while calling a system command";
+
+      case ErrorCode_Plugin:
+        return "Error encountered inside a plugin";
+
+      case ErrorCode_Database:
+        return "Error with the database engine";
+
+      default:
+        return "Unknown error code";
+    }
+  }
+
+
   const char* EnumerationToString(HttpMethod method)
   {
     switch (method)