This does not sound like a LyX problem. You need to install the .cls file through your LaTeX system as far as I know.
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 ________________________________ From: lyx-users@lists.lyx.org <lyx-users@lists.lyx.org> on behalf of Patrick Dupre <pdu...@gmx.com> Sent: Monday, March 12, 2018 1:35:05 PM To: lyx Subject: latex to lyx Hello, When, I try to convert the file article-OP18.tex (see attached file) to lyx format, I get an error: Cannot read layout file `'. Error reading `' (Check `class-OP18') Check your installation and try Options/Reconfigure... Error: Could not read layout file for textclass "class-OP18". How can I have it fixed? Thank for your help. =========================================================================== Patrick DUPRÉ | | email: pdu...@gmx.com Laboratoire de Physico-Chimie de l'Atmosphère | | Université du Littoral-Côte d'Opale | | Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44 189A, avenue Maurice Schumann | | 59140 Dunkerque, France ===========================================================================
