Search Issue Tracker

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 (204)

  1. 9a2fd59f9b15d8b790a5446d5ce08cec?d=mm

    Lepascal

    Jun 20, 2017 10:38

    Idem in Mac Unity 2017.1.0.B9.

  2. 91294277da1d2413ca7bbe10e0a52b17?d=mm

    himzy

    Jun 18, 2017 14:54

    Still happening

  3. Cfa74745bed3dda42d46286bd30af43d?d=mm

    Barries19

    Jun 01, 2017 00:35

    Happened to me in 2017.1.0b7
    Second time it happened, don't know the reason for it.

  4. 39922b28837bb29565fee24b22551304?d=mm

    nuthman

    May 22, 2017 20:19

    Just happened to me: 2017.1.0b5

  5. 75d220509e893d8048bf89d3db6b1bc9?d=mm

    FlopCoat

    May 19, 2017 10:07

    Still around in 2017.1.0b5

  6. 950b0ab92cc2d6f1a11a301f653ce104?d=mm

    tdvance

    May 12, 2017 15:52

    Wait, why is this marked resolved? it clearly isn't....

  7. 950b0ab92cc2d6f1a11a301f653ce104?d=mm

    tdvance

    May 12, 2017 15:52

    Happens in Unity 2017.1.0b4 almost every session.

  8. 692e2a40b022fd07b4b5e982d48ab8e7?d=mm

    haskins

    May 01, 2017 22:48

    It's happened a few times to me using Unity 2017.1.0b2.

  9. 6507be09f6aa1f4cbcfbf838c9830daa?d=mm

    SpookyCat

    Apr 26, 2017 14:37

    Still happens in Unity 2017b1

  10. 1f2899aa5fc8c30aa97a7ffcc1be6cfe?d=mm

    GameEverything

    Apr 23, 2017 10:43

    Occurs in 5.6.0b3. I'm just glad that it saves or whatever because I know I sure as hell forgot to save after five hours of work, lol.

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.