On 12/07/2015 07:51 PM, Richard Heck wrote:
On 12/07/2015 01:45 PM, Michael Berger wrote:
Dear LyX friends,
this is a new and frustrating experience.
After the update just everything is there as before, nothing lost, no program, no configuration. However, when trying to work with LyX and opening my documents I got the well-known LaTex errors that packages were missing.
When opening the Documents Settings I found all classes grayed.

Has somebody out there experienced that same problem and can somebody tell me how to resolve the issue?

There are various things that can cause this kind of problem after an update.

First, I'd verify that TeX is properly installed. From a terminal try:
    kpsewhich article.cls
You should get a response telling you where that file is. If not, then your TeX installation is either missing or very broken.

If that is all right, then open LyX from a terminal. Try Tools> Reconfigure and see what error messages you might get. Let us know what you see. You should also get a file configure.log in your user directory containing all the output from the configuration process. Please post that.

Richard

Hi Richard,
you see Scott's comment - actually this should not happen.
But as an ordinary user I should like to thank you for your advice re checking the LaTex configuration (which packages are installed = "yes" or missing = "No").
This will be very useful for future similar accidents!
Michael

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