Session creation failed. message: 'Internal error. Please contact administrator.'

[Giangiz]

Hello. I create the user, but when i go to the desktop link i get "Session creation failed. message: 'Internal error. Please contact administrator.' " The syslog have: -nubomanagement Error in createImageForUser: Error: Unable to build image -buildUserSession: Error: Unable to build image

• startOrJoinSession: couldn't create user session -startSession: starting user session failed. err: {}
• response to client: { "status": 0, "message": "Internal error. Please contact administrator." }

There are solutions? Thanks