Unit root test error in panel data

[Silva Danny]

Hi,
I am trying to do unit root test for panel data,
every time it brings errors saying sample may not include multiple panels
Are there some specific commands I should use ??

[William Lisowski]

Posted 2 times previously, and subsequently 1 more time. Let's answer at the final one (at the time I write this)

https://www.statalist.org/forums/for...unit-root-test