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I am migrating a component from Joomla 2.5 to Joomla 3. After migrating my component when I tried to install using install from directory I got this error.

Any ideas about this error?

2 Answers 2


Installing from directory and installing from a packed extension follow two different installation paths. (two similar but separate pieces of code handle the installation process).

To put it with other words, the installation from directory works for very basic components, which do not use update sites, sql updates, etc but can be sometimes rather buggy.

So build your component as a installable component and try it on a clean system.

Hope this helps.


Have a look at the attribute location in #__update_sites. Try each of them in your browser. Correct or remove the one giving the error.

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