Error 1054

Hello and sorry for my bad english but i m from Romania.

I have a server, all works but when i start server.exe i get this error:

Error id : 1054 , Error : unknown column 'HelperToken' in 'field list'
Callback:
gQuery: UPDATE 'users' SET 'HelperToken'='0' WHERE 'name'='Alecsand3r'.'

Please, help me.