Last tested: Jan 21, 2019
1) Go to the broken dashboard, select 'Get Dashboard LookML' from the gear icon
2)) Grab the LookML.
3) Paste the LookML into a new dashboard in the model
4) Update the LookML to correct any renamed objects (dimensions, measures, models, filters, etc.)
5) Navigate to the LookML Dashboards space and open the dashboard
6) Use 'import to space' to re-create a new UDD with the fixes applied.
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