"Error building Admin Menu" problem is related to Joomla 2.5 / 1.7 / 1.6, this is a Joomla core issue and affects different extensions during installation.

This can also happen if you have tried to install DJ-Catalog2 for Joomla 1.5 on Joomla 2.5 by error, and then installing the correct version for Joomla 2.5.

If this happened to you while installing DJ-Catalog2 extension follow this steps to fix it:

If this is a production site do the backup first. Use for example great Akeeba Backup extension.

1. Uninstall DJ-Catalog2 component and all it's modules and plug-ins
2. Use FTP client to remove all DJ-Catalog2-related language files:

   • /administrator/language/xx-XX/xx-XX.com_djcatalog2.ini

   • /administrator/language/xx-XX/xx-XX.plg_djcatalog2_*****.ini

   • /language/xx-XX/xx-XX.com_djcatalog2.ini

   • /language/xx-XX/xx-XX.mod_djc2_******.ini

3. Log-in to phpMyAdmin, open your Joomla database and from _menu table delete all rows corresponding to DJ-Catalog2. Usually they are located at the end of _menu table.
4. Install DJ-Catalog2 for Joomla! 2.5. / 1.7.

We have just updated DJ-Catalog with some new features: p

Package 2.2.10 includes:

• component 2.2.8 - fixed probles with streaming attachments - added languages: polish pl-PL, spanish es-ES
• mod_djc2categories 2.3 - added languages: polish pl-PL, spanish es-ES
• mod_djc2frontpage 2.3 - added languages: polish pl-PL, spanish es-ES
• mod_djc2producers 2.3 - added languages: polish pl-PL, spanish es-ES
• mod_djc2items 2.3 - added languages: polish pl-PL, spanish es-ES
• mod_djc2relateditems 2.3 - added languages: polish pl-PL, spanish es-ES
• mod_djc2search 1.1 - added languages: polish pl-PL
• djcatalog2 addthis plugin 2.3 - added languages: polish pl-PL, spanish es-ES
• djcatalog2 pagebreak plugin 2.3 - added languages: polish pl-PL, spanish es-ES
• djcatalog2 search plugin 2.3 - added languages: polish pl-PL, spanish es-ES

Now you can also use Xmap sitemap extension with DJ-Catalog2, we've created the plugin for this component that do the work.

Check also the new search module and new language packs!

DJ-Catalog2 works good with Joomla 2.5, tested and confirmed.

DJ-Catalog2 for Joomla 1.7 was just updated with:

• component - v. 2.2.7 -fixed: wrong headers being sent when streaming attachment
• mod_djc2items v. 2.2.3 -added: possibility to order products by creation date.
• All In One Package updated to ver 2.2.9

DJ-Catalog2 for Joomla 1.7 was just updated with:

• component - v. 2.2.6 - removed code cleanup after saving product's/category's/producer's description
• mod_djc2items v. 2.2.2 - added possibility to hide items' images

DJ-Catalog2 for Joomla 1.7 was updated to 2.2.4 version.

• fixed: filters behaviour when "producer" filter was disabled
• fixed: modules detection of custom template, when modules published on non-djcatalog2 pages

We have updated our free version of DJ-Catalog2 for Joomla 1.5,

changelog:

- fixed problems with search plugin
- fixed problems with filters
- slimbox and frontpage module works on mootools upgrade plugin (Joomla 1.5.23 and higher)
- pathway and itemID - no need to add categories to menus
- fixed xmap plugin
- thumbnails generator - instead of "None" - "Fit to both"
- NOW WORKS WITH CONTENT PLUGINS!

you can download it here