Community Support for OpenDocMan (Deprecated)

Full Version: PHP Fatal error: Call to a member function insertChild() on
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we migrated from joomla 1.5 to 3.2 and we are getting error for docman in one of our portals. Please see the log below:

PHP Fatal error: Call to a member function insertChild() on a non-object .

Note: docman is working for one instance of joomla whereas its not working for another instance inside the first one.