Hiding columns in Presentation Layer, but still accessible in a report.

Hi BI Devs,
I have a question on how to hide certain columns in the presenation layer but still make them available in a dashboard/report.
We have 3 sections in our Presenatation Layer...section_a, section_b, section_c. We have two groups created, group_max and group_lite. Group_max will have access to all the sections in the presentation layer but group_lite will only have access to section_a and section_b
We have a report in a dashboard (lets call it full_dashboard) that contains columns from section_a, section_b and section_c. We want all users (group_max and group_lite) to have access to the report, run the report and return data.
Our requirement is that the group_lite will not have access to the section_c in "Answers".
When we set the permissions in the RPD for the different sections, the permissions work correctly in hiding the section_c from group_lite, but when they run the report full_dashboard, the report errors out for group_lite users.
Is there a way to grant access to the group_lite users so that they can run full_dashboard but still deny them access to the columns in Answers?

Here is my thinking about duplicationg the section_c
1. If i duplicate section_c, it will still be visible to group_lite in the presenation layer.
2. If i duplicate section_c, i will have to change the dashboard (a very complex one too) to point to the duplicated section. How will I be able to hide the duplicated section?
I am just not sure how to hide section_c from the group_lite users and still have the reports in the dashboard access the columns, without having to change the report.
Edited by: empyre on Mar 16, 2011 8:21 AM

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1) 1.First of all set the logging level to 3 in the admin tool save it.
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