WordPress Troubleshooting Playbook for Plugin and Theme Conflicts

Conflict issues are one of the top causes of WordPress outages. A repeatable playbook helps you restore service quickly and safely.

Conflict isolation method

1. Take backup/snapshot.
2. Enable debug logging.
3. Deactivate all plugins.
4. Switch to default theme.
5. Re-enable one item at a time.

CLI commands

wp plugin deactivate --all
wp theme activate twentytwentyfour
wp plugin activate plugin-slug

What to log during test

• HTTP status changes
• PHP fatal/warning lines
• Exact action that reintroduces breakage

After fix

Pin plugin versions if necessary and test staging before production updates.

Validation

Re-test key user paths and review service logs after each change.

Further reading: WordPress Incident Recovery Guidance

Related posts:

• Fix WordPress Admin Errors with a Safe Troubleshooting Sequence
• WordPress Frontend Not Loading? Rapid Diagnosis Checklist