Reproduction steps:
1. Open user-submitted project
2. Unzip user-submitted folder "tryoncore.zip"
3. Open "manifest.json" found in project folder --> Packages
4. Change the location of io.looc.tryon.core local package to the location of the unzipped folder
5. Build and Run the project (File -> Build and run)

Expected result: Build runs without errors
Actual result: Build throws a Runtime error

Reproducible with: 2021.2.0b16
Not reproducible with: 2021.2.0b15, 2021.2.0b17, 2021.2.4f1, 2022.1.0a15
Could not test with: 2019.4.33f1 (Compilation Errors: error CS1024: Preprocessor directive expected), 2020.3.23f1, 2021.1.28f1 (Compilation Error: 'BuildReport' does not contain a definition for 'GetFiles)