Problem in adding new tabs in master data screens for RE-FX in ECC 6.0

Dear members,

I am working on RE-FX in ECC 6.0. I need some advice on the foll matter:

When displaying master data for Rental Object (Rental Space) (Tcode REBDRO) there are three tabs that are visible. They are General Data, Measurement and Area Shares. I would like the tab "Supplementary Texts" to also appear as the fourth tab. I have gone to the node Screen Sequence under the Dialog node under Usage View under Master Data in RE-FX.

I have added this screen to the sequence and have saved it successfully. Now when i am trying to display the rental space (RS) it is still not showing the tab that I just added. When I am trying to remove one of the existing tabs, by going into the same screen sequence I am successful in doing that. I am also able to add some of the other tabs. However every time I am trying to add the tab "Supplementary texts", I am failing to display it in the master data.

Request you to please help me as I am not an expert in RE-FX.

Regards,

Suvarghya Dutta