# Updating Keitaro from 6 to 7
- Download script.
- Upload to your Keitaro directory.
- Open upgrader7.php in your browser and follow the instructions.
# How to downgrade to version 6?
- Download script.
- Upload to Keitaro directory.
- Open upgrader7.php in your browser and follow the instructions.
# Resolving issues after upgrader
- Go to page Maintenance > Migrations and execute new migrations.
- Go to page Maintenance > Status and look at the errors log.
# Campaign list is empty
Go to page Maintenance → Migrations and run new migrations.
# All filters are missed
Run migrations 39 and 40.
# 1054: Unknown column updated_at
in where clause
Rerun migration #72.
# 1146: Table keitaro_campaigns
doesn't exist
Rerun migrations #47 and #48.
# 1054: Unknown column datetime
in where clause
Run migration #67.
# Unknown column stream_id
in field list
Run migration #67.
# Unknown column campaign_id
in field list
in EXECUTE("INSERT INTO keitaro_ips
Run migration #50.