Many thanks Marcin for the appended file. Much appreciated.
I have now tried the cut and paste approach that has worked without generating additional ghost variables. 
It would be good to get a bug fix in Gretl  for uploading Panel data directly from an xlsx file ,however, without the addition of superfluous empty variables or having to resort to a cut & paste approach.
Brian

On Mon, 15 Dec 2025 at 17:38, Marcin Błażejowski <marcin@gretlconference.org> wrote:
On 12/15/25 18:16, Brian Revell wrote:
Hi
I have an xlsx datafile comprising 10 rivers labelled 1..10, 24 observations dated 2000-2023 plus 5 variables (See attached screenshot). I have use File open command specifying it is an xlsx file which it reads and then produces an error message. 
Found 1 valid sheet
Found 11 Variables and 240 observations!!!
Name missing for variable 7 !!!

I am using Gretll version 2025c

Strange thing (all on Debian):

1. clipboard method (copy+paste): works perfectly,

2. xlsx importing: got same error as Brian,

3. converted to ods: works, thought some fake variables were imported (see attached file).

Marcin


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