When selecting Indicator Source under Performance Analytics, the operation either is extremely slow to load or times out.
Release or Environment
A custom script fired when loading Indicator Source included the Conditions column was loading over 100K+ records from the pa_cubes tables and generated a large dataset.
Customer determined the Conditions column was not required in the custom script and removed it. This reduced the data set retrieved and reduced the scripts processing time. This in turn allowed the Indicator Sources menu item to load.