Are you able to upgrade to 2.34 with an unsupported theme like the venus theme?
Hello @sasysoluti956e
if you are upgrading Magento, you need to upgrade your theme and module
Otherwise, it will show error and site is not working, it will create issue
So i am doing recommend to upgrade theme and module
Hello @sasysoluti956e
which venus theme are you using?
best to ask to support
Hi @sasysoluti956e
Kindly refer below link to migrate theme from M1 to M2
https://www.cloudways.com/blog/migrate-from-magento-1-to-magento-2/#theme-migration
If issue resolve, please click on 'Kudos' & Accept as Solution!