Upgrade Koha manually
1. Install new koha https://wiki.koha-community.org/wiki/Koha_on_ubuntu_-_packages 2. Login to your existing koha 3. Go to more--tools 4. Click Export Data 5. Select start date (start data where you have installed koha for the first time) and end date till last date of item added on your koha 6. Output format should be in MARC 7. Click export bibliographic record 10. login to new koha and create item types which are available is old koha. 11. Go to tools and click Stage MARC records for import 12. Import the marc file we have exported from old koha