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Fixed in 2020.2.X

Fixed in 2019.4.X, 2020.1.X



Found in




Issue ID




[PackMan] Package Manager dialog box is displayed empty when the error message contains over 40000 characters



How to reproduce:
1. Download the attached project ""
2. Extract the attached project to the path that is between 80 and 100 characters long
3. Open the project

Expected result: the dialog box with an error message stating that the filename is too long is displayed
Actual result: empty dialog box is displayed

Reproducible with: 2018.4.26f1, 2019.4.6f1, 2020.1.1f1, 2020.2.0a19

- A dialog box appears empty as the error that should be displayed is too long (~40000 characters)
- If the project is placed in a path that is longer than 100 characters - different error message is thrown and displayed properly (as it is only ~3800 characters)
- If the project path is placed in a path that is shorter than 80 characters - no error message is thrown

  1. Resolution Note (fix version 2020.2):

    This issue has been fixed and should no longer reproduce in Unity version 2020.2.0a20 and above

  2. Resolution Note (fix version 2020.1):

    Fixed in Unity 2020.1.5f1

  3. Resolution Note (fix version 2019.4):

    Fixed in Unity 2019.4.12f1

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