add categories to my component - Joomla! Forum - community, help and support

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trying add categories manager component : http://docs.joomla.org/developing_a_model-view-controller_component/2.5/adding_categories

all ok in admin view list of categories toolbar uncomplete , can view , add categories, edit or delete buttons not present in toolbar.

also when entering in view detail of category, button save, apply don't exist !!!

any hint...

problem joomla 2.5.5 or + !! (i tested component joomla 2.5.4 , 2.5.3 , there no problem)

??





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