[sumo-user] Invalid document structure in sumo 0.20.0

[Touil B. <bar...@ya...>]

Hello,


I'am using sumo 0.20.0(Ubuntu 12.04 LTS) as following
The problem is in this step :

sumo-gui -n example.net.xml -r example.rou.xml


I get the following error :
---------------------------------------------------------------------------------------

Loading net-file from 'exemple.net.xml'...  done (22ms).

Loading done.
Warning: Cannot find local schema '/usr/local/src/sumo-0.20.0/bin/data/xsd/routes_file.xsd', will try website lookup.
Error: Invalid document structure
 In file 'exemple.rou.xml'
 At line/column 2/1.

Quitting (on error).