Hi,when i select service in fleet model i got this eroor message : 
-----------------------------------------------------------------
Erreur:
Uncaught TypeError: Cannot set property 'undefined' of undefined

http://10.0.10.104:8069/web/content/500-8b4bac8/web.assets_backend.js:1455
Retraçage :
TypeError: Cannot set property 'undefined' of undefined
    at Object.<anonymous> (http://10.0.10.104:8069/web/content/500-8b4bac8/web.assets_backend.js:1455:459)
    at Object.<anonymous> (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:802:681)
    at fire (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:796:299)
    at Object.fireWith [as resolveWith] (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:801:198)
    at Object.deferred.(anonymous function) [as resolve] (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:803:56)
    at Object.<anonymous> (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:3587:448)
    at Object.<anonymous> (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:802:681)
    at fire (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:796:299)
    at Object.fireWith [as resolveWith] (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:801:198)
    at Object.deferred.(anonymous function) (http://10.0.10.104:8069/web/content/465-83c70e7/web.assets_common.js:803:56)