OJS Version Upgrade Error - Duplicate column name ‘email_id’

I am trying to update from ojs-3.1.2-4 to and i get this error

A database error has occurred: Duplicate column name ‘email_id’


please, help me

Hi @Pradip_Dhakal,

Did you attempt to run an upgrade again after a failed upgrade, without first restoring your database from backup? That’s the most likely cause of this message.

Alec Smecher
Public Knowledge Project Team