I'm using Magento version, after applying patch for my magento website, i got this error in every page:

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  • Quick and dirty troubleshoot. Disable third party extension, just renamed all the 3rd party extensions inside app/etc/models to end as -disabled such as companyname_extension.xml-disabled Then drop(or rename) var/cache and var/session folders and reload. This should bring the site back up assuming it is related to an extension, then you can enable one extension at a time and until you locate the ones causing the issue.
    – Eirik
    Commented Nov 30, 2017 at 3:48
  • This link magentary.com/kb/… worked perfectly for me. Commented Oct 7, 2019 at 10:07

1 Answer 1


"404: Page Not Found" error show from the errors/ directory after upgrading to SUPEE-10415. This issue occurs only in Magento installations that run certain third-party extensions.

Workaround by Magento: Confirm that there are no PHP warnings generated by any of the extensions or customizations.

in short, its a problem with one of the extensions you have.

you can read more in official release. http://devdocs.magento.com/guides/m1x/ce19-ee114/ce1.9_release-notes.html

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