Steps to reproduce:
1. Create new Unity project
2. Create Audio Mixer in Project window (Create > Audio > Audio Mixer)
3. Open Audio Mixer window
4. In Snapshots press "+" to add Snapshot
5. From the Snapshot list delete "Snapshot"
6. Observe the Console

Actual results: Error "Snapshot name does not exist: Snapshot, UnityEditor.GenericMenu:CatchMenu (object,string[],int)" is thrown in the Console when deleting first "Snapshot" from the list while anothe Snapshot is available in the list
Expected results: There should be no errors thrown in the Console if a another Snapshot is present in the list

Reproducible with versions: 6000.0.58f1, 6000.2.4f1, 6000.3.0b2

Tested on (OS): Windows 11