SOLVED: lyx not a readable Lyx document

[Wolfgang Engelmann]

JMarc found out that the version was an older one.

Wolfgang

Am 06.04.22 um 17:52 schrieb Jean-Marc Lasgouttes:
> Le 06/04/2022 à 17:44, Wolfgang Engelmann a écrit :
>> And this is the output from the terminal starting lyx there:
>>
>> lyx24x MEINLEBEN2020-B.lyx
>> Warning: 609: Format not supported.
>> Warning: Quitting.
>> Error: Document format failure
> 
> This is what I thought. It seems that you have a working recent lyx 
> somewhere (the 609 version) and that now you try to read the file with 
> an older version.
> 
> JMarc