Thanks for the pointer. I realized where the problem is. I just upgraded to macOS 14.3 and have not agreed to the Xcode license. This makes python invisible to LyX. After updating Xcode, LyX can convert OLDER versions now.
Thanks, Yuwen > What operating system are you using? > > The only reason to get that type of error is to have a mix between different versions installed. Because RC1 has a more recent conversion tool (lyx2lyx) and so that error should not happen. > > In 2.4 what do you get on Help->About LyX (I am interested in "System directory" entry. > > Regards, > -- > José Abílio > -- > lyx-users mailing list > lyx-users@lists.lyx.org > http://lists.lyx.org/mailman/listinfo/lyx-users On Mon, Jan 29, 2024 at 9:46 PM Steven Paulson <paulsonstev...@gmail.com> wrote: > Hi everyone, > > I recently upgraded LyX to v2.4-RC1. Previously, I was using v2.4-beta3 > without problems. However, ever since v2.4-RC1, I have failed to open all > my LyX documents previously created under beta 3, showing me the "LyX > cannot open OLDER version of documents" error. Right now, I cannot seem to > locate the beta 3 installer from anywhere, so I went back to v2.3.7 from > the official website, but got the "LyX cannot open newer versions of > documents" error for those documents. I am stuck in between v2.4-RC1 and > v2.3.7. > > I cannot understand why the newer version 2.4-RC1 cannot open an older > version: > > > ~/Documents/example.lyx is from an older version of LyX and the lyx2lyx > script failed to convert it. > > > Any help would be appreciated. > > > Thanks, > > Steven >
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