Unable to add an item structure

Summary

I get an error : You do not have the required data privileges to create or update the structure for item {REVISED_ITEM_NAME}. (EGP-2775890)

Content

Hi!

I am trying to create a structure for the item I have defined in the Item Master. At the create new item structure dialog, I enter the item I had created earlier, Org as the item master org, give it a description, then try to 'Apply and Add Details'. When I click the button, i get the following error:

You do not have the required data privileges to create or update the structure for item {REVISED_ITEM_NAME}. (EGP-2775890)