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Under Consideration for 6000.0.X, 6000.2.X, 6000.3.X, 6000.4.X

Votes

2

Found in

6000.0.58f1

6000.2.6f1

6000.3.0b4

6000.4.0a1

6000.5.0a1

Issue ID

UUM-121369

Regression

No

MissingReferenceException occurs when entering Play mode with a locked GameObject in the Inspector

-

Reproduction steps:

0. Make sure your Enter Play Mode Settings are set to "Reload Domain and Scene", no other mode reproduces the issue.
1. Create a new Unity project
2. Create a new empty MonoBehaviour script
3. Add a GameObject to the scene
4. Add the MonoBehaviour (from Step 2) to the GameObject (from Step 3)
5. Add a Collider (e.g., BoxCollider) to the same GameObject
6. Lock the GameObject in the Inspector, by clicking on the padlock icon in the top-right corner of the Inspector
7. Enter the Play Mode
8. Observe the Console

Expected result: No errors occur
Actual result: "MissingReferenceException: The object of type 'NewMonoBehaviourScript' has been destroyed but you are still trying to access it." error is thrown

Reproducible with: 6000.0.58f2, 6000.2.6f2, 6000.3.0b4, 6000.4.0a1

Reproducible on: M1 Max macOS 15.6.1 (Tested by CQA)
Not reproducible on: No other environment tested

Comments (2)

  1. NultraStudio

    Oct 12, 2025 21:11

    I am having the same issue on 6000.2.6f2 on Windows 11. If there is another unlocked inspector, or another inspector locked on a gameobject with no scripts, there are no issues.

  2. Coniix

    Oct 11, 2025 10:39

    Also experiencing this issue in 6000.0.59f2 and on Windows 10

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