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UK Based Web Agency, Magento & Wordpress Specialist (Cranleigh | Surrey)

Magento Extension Installation Fatal error: Don’t Panic!

By In Advice, Platforms, Website Development On 10/03/2012


When installing a Magento extension if you get a nasty error after installation (when going to System | Configuration) that looks something like this:

Fatal error: Class ‘THE EXTENSION’ not found in /public_html/app/Mage.php on line 516

DON’T PANIC!

  • The reason is that your complier is enabled…
  • The solution is to uninstall the extension you’ve just installed using your Magento Connect Manager then go you System | ToolsCompilation, then disable the Complier. Reinstall the extension and then once it’s all working re-enable your complier.

It is best practice to always disable the complier when installing extensions and then re-enabling it once installation is completed.

Hope this helps someone!


About the Author

Dan Vince

Yet another Web Development Professional

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2 Comments

  • Mark Harley 7 YEARS AGO

    Lifesaver dude! Thanks, I have been pulling my hair out all day

    Reply
  • Dan Vince 7 YEARS AGO

    Hey no worries! I'm just glad someone out there finds my ramblings useful.

    Reply

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