How to load data from a standard hierachy data source to a generic info object in BW7.3?

Hi all,

I am using BW 7.3 and I want to load data from the standard hierarchy data source 0MATERIAL_LPRH_HIER to a generic info object(ZMAT). How can we do it? Is there any necessary settings or per-requisites for doing this?

I am facing the following issues while loading data to generic info object(ZMAT),

- While loading the data through DTP initially, it was failed with the error 'Info Object 0MATERIAL is not a valid characteristic for this hierarchy'

'- Then I have added 0material to 'External Chars. in Hierarchies' in Hierarchy tab of info object(ZMAT), Now, I am getting the error as below.  

Node [00000251, 00011218 ]: Node name 'MATUOTE1 ' for characteristic 0MATERIAL already exist.

Please provide your valuable suggestions to sort out this issue. Thanks in advance.