Help: dwstat does not work

[Rama Dhani]

Hi Friends, been working on autocorrelation test for my data, and really..really... stuck here and make me frustated, I'm sure my data is a panel data
but when I try to do auto correleation using command dwstat or estat bgodfrey ; I got the same error notification of "sample may not include multiple panels"
please help me on this, much appreciate any clue

my data is like this:

[Carlo Lazzaro]

Rama:
you might be ineterested in https://www.stata.com/statalist/arch...msg00124.html-
That said, as per FAQ please do not post screenshots and use CODE delimiters to share what you typed and what Stata gave you back. Thanks.

[Nick Cox]

At most that command applies to a model fitted to a single panel. It looks as if you are pooling panels in a plain regression, so it's hard to know how the serial correlation structure is defined or testable afterwards.

Please see FAQ Advice on screenshots, which are rarely as readable or as useful as you hope.