hmm… yes, but I think this factor does not affect the order of issues in archive…
I’ve found this topic where more or less similar problem is solved for previous version of OJS
I tried to change some code in classes/issue/IssueDAO.inc.php but without effect
When I try to completely replace a file IssueDAO.inc.php with another from 3.1.0.1. version it gives an error 500 message (