OJS UPGRADE - 2.4.8 to 3.1 _ Safe Mode Problem

Hi @mbabaei

Could you try this SQL statement 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

Seem to be something similar to this post:

maybe this one too:

But lets try first with the first one…

Best,
Bozana

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