If you add all available columns to the Hierarchy list configuration via the Actions configuration list on the Hierarchy tab in a project, "SER-0104: The hierarchy was not retrieved" error message is returned and the Actions pull-down is no longer available.
Login as another user in a new browser window on the same machine.
Main Application -> Portfolio Management: Projects -> select a project for editing.
Click 'Hierarchy' tab -> Financial Rollup (or Effort Rollup).
Click 'Configure' in the [--Actions--] pull-down menu.
Copy the URL into clipboard.
Navigate back to the other user's browser window.
Paste the url into the browser of the user where this issue exists. This gives us the configure view.
Click 'General' subpage link.
Click 'Restore defaults' button, click 'Yes' button.