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Fixed in 2018.3

Fixed in 5.5, 5.6, 2017.1, 2017.2, 2018.1, 2018.2

Votes

334

Found in

5.6.0b5

2017.1.0f3

Issue ID

873467

Regression

Yes

Unity throws out Fatal Error: Callback registration failed kMaxCallback

Themes

-

Unity throws out Fatal Error: "Callback registration failed kMaxCallback" after working with the project for 30 minutes or more. It appears randomly.

Steps:
1. Actively use Unity for more than 30 minutes

Actual: Unity continues to work
Result: Unity crashes with Fatal Error.

Reproducible with: 2017.1.4f1, 2017.2.3p1, 2017.4.4f1, 2018.1.3f1, 2018.2.0b6

Note:
Reproduced on macOS, Windows, Linux.
Bug Report window does not appear.
Scene files are not restored after reopening Unity so all not saved Scenes are lost.

  1. Response avatar

    karl_jones

    Jan 04, 2019

    Please file a new bug report If you are still encountering this problem. The error message is a symptom and can be caused by many different areas. The area for this bug has been fixed.

Comments (205)

  1. 16d6831dec499dd14a12ef44ec44ecd4?d=mm

    amisner2k

    Jul 14, 2018 07:53

    This also just happened for me on 2018.2.0f2

  2. 4ac01c722a5c442aa98b739f64d3d3a0?d=mm

    AA-Matt

    Jul 14, 2018 07:35

    Also just got this on 2018.2.0f2

  3. 3b7fd48aeb4339e1806181b7884013cf?d=mm

    ZenithSal

    Jul 13, 2018 13:30

    Issue just happened in 2018.2.0f2, so still here.

  4. 6ccd3943c6ddf2b79c399f539c2d4c14?d=mm

    WheresMommy

    Jul 12, 2018 17:31

    2018.2 official release, still getting the error randomly

  5. A3a43487ce4126a5c71e6126f32d5e71?d=mm

    hippocoder

    Jun 28, 2018 20:55

    201.2.0b10 does it.

  6. Cb046483789bcd1b1398ec5e9281851f?d=mm

    noorbeast

    Jun 08, 2018 08:22

    Definitely not fixed in 2018.2.0b7, as I just ha it happen.

  7. A7081bae5c25277fafb6de82bf616393?d=mm

    sihame

    Feb 05, 2018 14:43

    Me too I still have it. I am on Unity 2017.1.0f3

  8. 8ce29fdc1eab1fc51f788f01b3ea2c1a?d=mm

    NeoGeek

    Jan 23, 2018 16:55

    STILL getting it. Urgh

  9. 2ecf0c3c4065a1a1fbf18f32275190fe?d=mm

    Barry100

    Nov 01, 2017 11:10

    im still getting this 2017 1.1.f1

  10. Aa18b6cccacaf0758b5f192f50d56a1a?d=mm

    vdarned

    Oct 25, 2017 06:23

    I got it guys I know when it happens: It happens every time unity become selfaware

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