"InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown when appending Systems to the PlayerLoop and it breaks the System's Editor window

Package: Entity Component System (ECS)

Fixed

1.3.X

Won't Fix

1.2.X

This was fixed in 1.3.14

No further patch releases are planned for Entities 1.2.x

How to reproduce:
1. Open the attached project "CustomTopLevelSystemGroup.zip"
2. Open Assets/Scripts/ApplicationBootstrap.cs
3. Change "#define EXAMPLE_A" to "#define EXAMPLE_B" on line 1
4. Open Window>Entities>Systems in the Editor
5. Enter Play Mode

Expected results: No errors are thrown
Actual results: "InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown

Reproducible with: 1.2.4 (6000.0.22f1), 1.3.9 (6000.0.37f1)

Reproducible on: Windows 10 22H2
Not reproducible on: No other environment tested

"InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown when appending Systems to the PlayerLoop and it breaks the System's Editor window

Package: Entity Component System (ECS)

Fixed

Won't Fix

Prioritise and Follow this issue

Have a workaround or additional info about this issue?

"InvalidProgramException: Couldn't find system $XREarlyUpdateSystemGroup in World" is thrown when appending Systems to the PlayerLoop and it breaks the System's Editor window

Package: Entity Component System (ECS)

Statuses

Fixed

Won't Fix

Resolution Notes

1.3.XFixedThis was fixed in 1.3.14

1.2.XWon't FixNo further patch releases are planned for Entities 1.2.x

Description

Prioritise and Follow this issue

Have a workaround or additional info about this issue?