Hi sir, i am a n expert of vicidial , i had resolved a problem similar last Thursday with goautodial 3 server,
so the problem is caused by the database tables problems and the agi's compatibility with the asterisk version
i must re'install new database and re-import the required tables and list table and maybe we must re-instal asterisk
another things may coused the problem
anyway my skype is mrdevelopper
i can fixed now if you want
Best regards