Steps to reproduce:
1. Create new Unity project using Universal 3D Template
2. In the Hierarchy's Search window, add a new query block Scenes -> Sample Scene
3. Observe the Console window and Hierarchy's Search field
Actual results: "ArgumentException: Illegal characters in path" error is thrown in the Console window, Search field disappears from Hierarchy window
Expected results: No errors should be thrown in the Console window, Search field should not disappear
Reproducible with versions: 6000.3.0b3, 6000.4.0a1
Can’t test with versions: 6000.2.6f1 (Different Hierarchy)
Tested on (OS): Windows 11