It's only Collaborators.
I'm simple user for avaya system .

Dear all,

i have critical problem with avaya system manager , where i have version 6.2 .
the problem that i cant entered system manager
when i put my user name and password then press on login , the system show me the below error

/pages/Welcome.xhtml @70,67 value="": Error reading 'model' on type com.avaya.mgmt.console.framework.bean.ClientNavigationTree_$$_javassist_seam_6
Some internal error has occurred in the service. Please contact the support team.

my question is
1- why this message comes ?
2- how to solve it .

with all my respect for AVAYA support team .