Parameters' visibility problem when migrating reports

Hi everyone, I was working with Oracle BI Publisher 11g and I came upon this problem:

In the Editor page of any report, there's a Parameters dialog where you can choose to show or hide specific parameters in a report by checking or unchecking a boxes in the 'Show' column.

Let's say there are 3 parameters on a report and I check the first 2 parameters and uncheck the third. Now if I move the .xdo zip file (.xdoz) of the report from Oracle BI Publisher 11g to a new server in OAS, all...

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