How to fix “Publishing failed. Could not update post in the database” WordPress error.

I was recently writing the 2024 World Brewers Cup Championship blog post when I first encountered “Publishing failed. Could not update post in the database” error when I tried to publish it.

I tried to look for solutions and the internet offered some possible fixes. For example, fixing REST API issues, etc. Apparently I had none of those issues.

After some frustrating troubleshooting, I found out that the root cause of my particular case was…

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