Hi Witali, The error you're seeing indicates that you're using an older ARTS version. To read the newest version of the arts-cat-data, you also need to compile the latest ARTS development version from the master branch at https://github.com/atmtools/arts .
Cheers, Oliver > On 13 Sep 2022, at 17:18, witali.kroc...@unibe.ch wrote: > > Thank you for the quick reply and comments on the updated papers. > > > We will definitely add Mr. Larsson to the list of co-authors when the > research using this dataset is published. > > > Unfortunately, I am already having problems reading the dataset. > I have downloaded the file "O2-66.xml" from > https://arts.mi.uni-hamburg.de/svn/rt/arts-cat-data/trunk/lines/, > but I cannot read the file with any reading function that are known to me. > > > For example, the following line: > "ReadXML(abs_lines, "O2-66.xml")" > > > Generates the following error message: > "Species "" is not a valid species." > > I've tried several other read functions, but I have a feeling I'm missing > something. > > Best regards > Witali