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Votes

3

Found in [Package]

0.17.0-preview.41

Issue ID

1311695

Regression

Yes

[ECS] GetOrCreateSystem ArgumentException with ISystemBase

Package: Entity Component System (ECS)

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Reproduction steps:
1. Open attached project "EntitiesSystem.zip" and scene "SampleScene"
2. Enter Play Mode
3. Observe Console window

Expected result: no error
Actual result: "ArgumentException: 'Unity.Entities.BurstCompatibleSystem' cannot be constructed as it does not inherit from ComponentSystemBase <...>" error

Reproducible with: 0.17.0-preview.41 (2020.2.3f1, 2021.1.0b5, 2021.2.0a4)
Not reproducible with: 0.11.2-preview.1 (2019.4.20f1), 0.16.0-preview.21 (2020.2.3f1)
Could not test with: 2018.4.31f1 (compilation errors)

  1. Resolution Note:

    Workaround proposed. Will tackle API improvement to make it less likely to encounter this problem in a different issue.

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Comments (3)

  1. AdamBebko

    Apr 27, 2021 16:48

    Yes I started getting this too. Hard to tell where it's coming from and what is causing it.

  2. anihilnine

    Apr 19, 2021 02:03

    Did you guys manage to fix this? Started running into the issue now.

  3. bobbaluba

    Mar 16, 2021 09:40

    Seeing this on 2020.3.0

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