Repro steps:
1. Open user attached project
2. In the Hierarchy, select "Planar Reflection Probe" object and add a Planar Reflection Probe component
3. In the component's Capture Settings, change the Field Of View Mode to Fixed
4. Change the Value that appeared below Field Of View Mode to 0

Expected result: No errors are thrown
Actual result: Screen position out of view frustum errors are thrown

Reproducible with package versions: 4.10.0 (2018.4.9f1), 5.2.3 (2019.1.0b5), 6.9.0 (2019.2.5f1), 7.0.1 (2020.1.0a4)
Not reproducible with package versions: 5.6.1(2019.1.0b5), 5.16.1 (2019.1.14f1), 6.7.1 (2019.2.0b1)
Could not test with: 5.3.1 (2019.1.0b5) (unrelated errors)

Errors thrown:
Assertion failed on expression: 'IsMatrixValid(matrix)'

Screen position out of view frustum (screen pos 0.000000, 0.000000, 1000.000000) (Camera rect 0 0 1024 1024)

Screen position out of view frustum (screen pos 1024.000000, 0.000000, 1000.000000) (Camera rect 0 0 1024 1024)