Does the same issue appeared if you disabled the plugin? If it does, then the issue is specifically caused by the plugin and for your information, Blog Posts plugin is a third-party plugin which is not developed by Atlassian therefore our knowledge on this plugin would be limited. I'd suggest you to directly contact the author of the plugin to get further assistance on the issue at:
Hi my Community friends! For those who don't know me, I'm a product marketer on the Confluence Cloud team - nice to meet you! For those of you who do, you know that I've been all up in your Co...
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