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#1 · April 2, 2020, 12:00 am

How do I avoid “404 Not Found” error after having set my permalinks back to “Post name” after having temporarily set them to Plain/Default?

How it was, was I didn’t touch permalinks since the way a fresh self-hosted WP v.4.6.1 install.

What I did was set the permalinks to “Plain” (a.k.a. ugly) and clicked save.

Now I want permalinks to “Post name” so I chose that and clicked save.

In short, the fix for me was to go into the WordPress admin dashboard, go to:

“Settings” > “Permalinks” > “Common settings”, and set the radio button to “Custom Structure”

, and paste into the text box:

/index.php/%year%/%monthnum%/%day%/%postname%/

, and click the Save button.

Now, no longer getting 404 error. Symptom resolved!