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Fixed in 2022.1.X

Fixed in 2020.3.X, 2021.1.X, 2021.2.X



Found in






Issue ID




Multiple "Failed to insert item" warnings are logged when amount of inserted items exceeds 1000



How to reproduce:
1. Open the user's attached project
2. In the Menu bar, select Bug/ProductBug
3. Observe the Console window

Expected result: there are two warnings
Actual result: there are multiple warnings

Reproducible with: 2020.1.0a1, 2020.1.0a6, 2020.2.2f1, 2020.3.12f1, 2021.1.11f1, 2021.2.0a21
Not reproducible with: 2018.4.36f1, 2019.4.28f1, 2020.1.0a7, 2020.1.17f1, 2020.2.1f1

  1. Resolution Note (fix version 2022.1):

    Fixed in: 2022.1.0a3

  2. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.0b14

  3. Resolution Note (fix version 2020.3):

    Fixed in: 2020.3.22f1

Comments (3)

  1. MatasVa

    Aug 29, 2023 09:17

    Still happens with a a dropdown menu with too many items on Unity 2020.3.13f1/2021.3.29f1/2020.3.48f1

  2. Playbosh-Games

    Dec 12, 2022 10:01

    Same for me! Please increase the limit...... I use Unity 2021.3.11f1

  3. weizgit

    Sep 10, 2022 18:09

    We are still seeing this issue in later versions which have been released since this was posted:

    Currently for me 2021.3.9f1, along with every other current Unity install shown in the editor, results in the same problem.

    See forums:

    And my comment with come log output:

    And another, which I feel may be related as well as both of this issues started at the same time and I have now been without being able to use Unity for a week.

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