Here are some tips that can help you remove any problem while adding category tree tab to a custom module.
http://www.magebuzz.com/blog/2013/08...custom-module/
Hope that it will be helpful to you!
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Here are some tips that can help you remove any problem while adding category tree tab to a custom module.
http://www.magebuzz.com/blog/2013/08...custom-module/
Hope that it will be helpful to you!