Steps to reproduce:
1. Create new Unity project
2. Open Multiplayer Center window (Window > Multiplayer > Multiplayer Center)
3. Select Game Specifications - Genre of your Game: “Shooter, Battle Royal, Battle Arena”, Number of Player per Session: “512+”
4. Press “Install Packages” button at the bottom right corner
5. Observe the Console window

Actual results: Multiple errors are thrown in the Console window

Expected results: No errors are thrown in the Console

Reproducible with versions: 6000.5.0a5 (9b63d0bc55db), 6000.5.0a6

Not reproducible with versions: 6000.0.66f1, 6000.3.6f1, 6000.4.0b7, 6000.5.0a4 (35ed6e8537f8)

Tested on (OS): Ubuntu 24.04, macOS Silicon Tahoe 26.2 (M1)

 
{code:java}
Library/PackageCache/com.unity.netcode@8d46db3feeda/Runtime/Authoring/Hybrid/GhostAuthoringInspectionComponent.cs(81,47): error CS0619: 'EntityGuid.OriginatingId' is obsolete: 'OriginatingId is deprecated, use OriginatingEntityId instead.'

Library/PackageCache/com.unity.netcode@8d46db3feeda/Runtime/Authoring/Hybrid/GhostAuthoringInspectionComponent.cs(95,31): error CS0619: 'EntityGuid.b' is obsolete: ''b' is obsolete, please use 'FullNamespaceId' and 'Serial' instead.'

Library/PackageCache/com.unity.netcode@8d46db3feeda/Runtime/Authoring/Hybrid/GhostAuthoringInspectionComponent.cs(153,55): error CS0619: 'EntityGuid.OriginatingId' is obsolete: 'OriginatingId is deprecated, use OriginatingEntityId instead.'

Library/PackageCache/com.unity.netcode@8d46db3feeda/Runtime/Authoring/Hybrid/GhostAuthoringInspectionComponent.cs(272,70): error CS0619: 'EntityGuid.b' is obsolete: ''b' is obsolete, please use 'FullNamespaceId' and 'Serial' instead.'

Library/PackageCache/com.unity.netcode@8d46db3feeda/Runtime/Authoring/Hybrid/GhostAuthoringComponentBaker.cs(402,34): error CS0619: 'EntityGuid.OriginatingId' is obsolete: 'OriginatingId is deprecated, use OriginatingEntityId instead.'

Failed to find entry-points:
Mono.Cecil.AssemblyResolutionException: Failed to resolve assembly: 'Unity.NetCode.Editor, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' ---> System.Exception: Failed to resolve assembly 'Unity.NetCode.Editor, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' in directories: /Applications/Unity/Hub/Editor/6000.5.0a5/Unity.app/Contents/Resources/Scripting/MonoBleedingEdge/lib/mono/unityjit-macos {code}