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Fixed in 2020.1.X

Fixed in 2019.3.X



Found in



Issue ID




"Error terminating external process" message is thrown when rotating the Sun Source before Lightmap finishes baking



How to reproduce:
1. Open the attached project ""
2. Change the rotation of the Directional Light over and over before Lightmap finishes baking
3. Observe the Console window

Expected result: No information messages are thrown
Actual result: "Error terminating external process: Access is denied" information messages are thrown

Reproducible with: 2019.3.0b1, 2019.3.0b2, 2020.1.0a2, 2020.1.0a3
Not reproducible with: 2017.4.32f1, 2018.4.8f1, 2019.2.4f1, 2019.3.0a12, 2020.1.0a1

The issue is reproducible only when Environment Lighting Source is set to Skybox.
The issue is reproducible only when baked Global Illumination is enabled.
The issue is reproducible only when the Directional Light's mode is set to Realtime.

  1. Resolution Note (fix version 2020.1):

    This issue is now fixed in the latest 2020.1 and 2019.3 builds.

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