@asmecher. we are using OJS 126.96.36.199
We are seeing editorial history after production but screen show processing but not show data of some productions. Screenshot and errors are below.
[21-Aug-2020 07:52:02 UTC] PHP Fatal error: Call to a member function getStageId() on null in /home/pjoorgpk/public_html/lib/pkp/classes/submission/PKPSubmissionFileDAO.inc.php on line 762
[21-Aug-2020 16:13:51 UTC] PHP Fatal error: Call to a member function getId() on null in /home/pjoorgpk/public_html/pages/issue/IssueHandler.inc.php on line 52