If you are writing your own configuration (or setting it up manually to export), ensure these features from the PGSharp Features page are enabled:
Before starting your actual gameplay session, open your file manager, copy your backed-up shinydat file, and paste it directly into the com.pgsharp.pokemon.go/files/ directory, overwriting the default file that was just created. Step 4: Launch and Verify shinydat file for pgsharp portable