After changing the permalink structure to /%postname%/, a WordPress site shows 404 errors on existing posts. What should be done to resolve this?

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Wordpress - WordPress Settings and Configuration

After changing the permalink structure to /%postname%/, a WordPress site shows 404 errors on existing posts. What should be done to resolve this?

AFlush the rewrite rules by saving the permalink settings again

BChange the permalink structure back to default

CDeactivate all plugins to fix URL conflicts

DClear the browser cache and cookies

Step-by-Step Solution

Solution:

Step 1: Identify the issue
Changing permalink structure requires WordPress to update rewrite rules to recognize new URLs.
Step 2: Flush rewrite rules
Saving the permalink settings again triggers WordPress to flush and regenerate rewrite rules, fixing 404 errors.
Final Answer:
Flush the rewrite rules by saving the permalink settings again -> Option A
Quick Check:
Permalink changes need rewrite rules refresh [OK]

Quick Trick: Always save permalink settings after changes [OK]

Common Mistakes:

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