"Assertion failed on expression: 'fidA != fidB'" errors are thrown when using the HDRP Assets created with the older Unity versions

Unity: Scene Management

Won't Fix

6.3.X

Thank you for reporting a bug to Unity. We have reviewed the issue carefully, and in this case, the team is unable to prioritize fixing this bug. There are a number of reasons we make this decision, including the impact and severity of the issue across our user and customer base, and the possibility that future plans may solve the problem in a different way, or that a workaround for the bug may be available. Today we will be closing this case. Thank you again for taking the time to report this issue, and please let us know if there is anything else that changes the impact or severity of this issue.

How to reproduce:
1. Open the attached project
2. Open the "Terrain" scene
3. Enter the Play Mode
4. Observe the Console

Expected results: There are no errors in the Console
Actual results: 129 "Assertion failed on expression: 'fidA != fidB'" errors are logged

Reproducible with: 6000.3.0b2
Can't test with: 6000.0.58f1, 6000.2.6f1 (Due to the complexity of the project)

Reproducible on: macOS Sequoia 15.6 (M1), Windows 11
Not reproducible on: No other environment tested

"Assertion failed on expression: 'fidA != fidB'" errors are thrown when using the HDRP Assets created with the older Unity versions

Unity: Scene Management

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

"Assertion failed on expression: 'fidA != fidB'" errors are thrown when using the HDRP Assets created with the older Unity versions

Unity: Scene Management

Statuses

Won't Fix

Resolution Notes

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?