How to reproduce:
1. Extract and open the attached “IN-118136.zip“ project
2. Go to File → Build Profiles → Linux Server
3. Build the project
4. Observe the Console

Expected result: The build succeeds and outputs the build files
Actual result: Build fails with the “Internal build system error“ error message

Reproducible with: 6000.3.0a6, 6000.3.0b5, 6000.4.0a2
Could not reproduce with: 6000.0.59f2, 6000.2.7f2, 6000.3.0a5 (36d7e9fd6645) (No functionality)

Reproducible on: Windows 11, macOS 15.6.1 (silicon)
Not reproducible on: No other environment tested

Notes:
- IL2CPP is required to build a Linux Server for ARM
- Error message:
Internal build system error. BuildProgram exited with code 1.
System.NotImplementedException: Conversion to Bee architecture not implemented for Linux architecture: arm64