There are no readable files in this directory tree. Are safe mode or open_basedir active?

[marc]

For future references, solution posted here:

Upgrade from OJS 2.4.7 to 3.0.1 fails

Hi all, Thanks for your patience. I’ve wrangled through @Oberdan’s database dump and it appears that there is a data error in the OJS 2.4.x data: some of the articles don’t have a valid section. To check for articles in this situation, run the following in your database: SELECT a.article_id FROM articles a LEFT JOIN sections s ON (a.section_id = s.section_id) WHERE s.section_id IS NULL; This will generate a list of article IDs for which a section is needed. You can either go in via the OJS 2…