Hi @asmecher
I change the line 235 in file ‘classes/oai/ojs/OAIDAO.inc.php’ from:
JOIN issues i ON (CAST(i.issue_id AS CHAR) = psissue.setting_value)
to:
JOIN issues i ON (CAST(i.issue_id AS TEXT) = psissue.setting_value)
Now the OAI is working again, but I don’t know if this change is ok.
Regards,
Tarcisio Pereira