How to reproduce:
1. Open user's attached "1241230_profiler" project
2. Open Profiler (Window->Analysis->Profiler)
3. Enter Play Mode
4. Select Playmode recording option and start recording data
5. Pause Play Mode
6. Turn on 'Show Flow Events' in profiler (vertical ellipsis on the top right of Module detail panel and check Show Flow Events)
7. Click on Flow Events in the captured data
8. Load in user's attached "floweventstest.data" (Top right of the Profiler window press load button)
9. Click on Flow Events in the loaded data
10. Capture data and click on Flow Events
11. Cycle between capturing data and clicking on Flow Events and loading attached data and clicking on Flow Events

Expected results: No errors are thrown in the Console
Actual results: The "ArgumentNullException" error is thrown in the Console

Reproducible with: 2020.2.0a5, 2020.2.0a11
Could not test with: 2017.4.40f1, 2018,4,22f1, 2019.3.14f1, 2020.1.0a22 because Flow Events were not introduced, 2020.1.0a23, 2020.1.0b9, 2020.2.0a4 because could not load in the data