XF 1.2 1.2 to 4.2 Upgrade

[eagle eyes]

I am doing the above upgrade, do i still checkmark "Download the upgrade package only"?

Thanks!

 

[dieketzer]

yes

 

[eagle eyes]

Will i get errors if i upgrade it and use my 1.2.6 skin on 1.4.2?

yes

 

[oman]

Will i get errors if i upgrade it and use my 1.2.6 skin on 1.4.2?

No errors, but you will get what's called Outdated Templates. Details here: https://xenforo.com/help/styling/

You'll either need to merge the templates, revert and reapply your changes, or get the style creator to make the style compatible with the latest version.