How to reproduce:
1. Extract the “UI_Client_v2.zip” archive
2. Open the Player in “UI_Client_v2/UI_Client_v2.exe”
3. Open the “NetCodeHashIssue“ project
4. From the Project window open the “Assets/Scenes/Server Scenes/Core_0_Main.unity” scene
5. Enter Play Mode and wait while the server loads
6. In the Player select the “Connect” button
6. In the Editor observer the Console window

Expected result: The Player connects to the server running in the Editor and no errors are logged
Actual result: The “Received a packet with an invalid Hash Value.“ error is logged and the Player disconnects

Reproduced with: 1.6.0, 1.8.1 (2022.3.20f1)
Could not test with: 1.6.0, 1.8.1 (2021.3.35f1, 2023.2.12f1, 2023.3.0b9) (Could not resolve compilation errors)

Reproduced on: Windows 10 (by reporter), Windows 11
Not reproduced on: No other environment tested

Note: Full error is provided in the internal comments