Hi Hihail, thanks for your reply, but I just found out what was going on.
Upgrading to WordPress 6.0 resulted in a bug in the WPML plugin, which caused it to crash taxonomies causing all this problem, but I found a way to fix it manually before the next update, that will be fixed.
Bug fix:
https://wpml.org/errata/wp-6-0-issues-with-terms-assigned-to-posts/
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This reply was modified 2 years, 9 months ago by hugortc.
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This reply was modified 2 years, 9 months ago by hugortc.