To set the Maximun Number of Collaborators for a specific problem, do the 
following:

1. Select the role of Course coordinator.
2. Click NAV on the remote control.
3. Click on the essay problem you would like to set the maximun number of 
collaborators.
4. Click PPRM on the remote control.
At the Set Course Parameter screen a table will append to the page with all the 
parameters that can be set for the specific problem.
5. Scroll down to the Maximun Number of Collaborators.
6. In one of the Course Columns, click "-" in the general column for entire course, 
click "-" in the for enclosing map or folder for a specific map or folder, 
click "-" in the resource column for a particular resource. A new window will 
open.
7. Update the selected parameter.
8. Click Store.