An error dialog box stating "System Error" appears after successfully ejecting a volume from the desktop in Apple II DeskTop

[c0mmander8]

Describe the bug
An error dialog box stating "System Error" appears after successfully ejecting a volume from the desktop in Apple II DeskTop.

To Reproduce
Steps to reproduce the behavior:

1. Start Apple II DeskTop with four volumes mounted at s7d1, s7d2, s5d1 and s5d2, and no RAMCards or RAM disks mounted.
2. Successfully eject from the desktop in Apple II DeskTop a volume that is located at s5d1 or s5d2 by using the Apple II DeskTop GUI or the "GSplus Configuration" text screen or a volume that is located at s7d1 or s7d2 by using the "GSplus Configuration" text screen only.
3. An error dialog box stating "System Error" appears.

Expected behavior
No dialog box should appear at all after successfully ejecting a volume from the desktop in Apple II DeskTop.

Screenshots
I am sorry. I have no screenshots to help explain my problem.

System Details (please complete the following information):

• System [e.g. Apple IIe Enhanced, Apple IIc, Apple IIgs] Apple IIGS (ROM 01)
• Emulator? [e.g. real hardware, or emulator name] GSplus 0.14 (the latest version of the program)
• ProDOS version ProDOS 2.4.2 (the latest version)
• DeskTop version (from About > Apple II DeskTop...) Apple II DeskTop 1.2 Alpha 34 (the latest version of the program)
• Other [e.g. mouse, memory expansions, disk types, etc]

Additional context
There is no other context about the problem here.

[c0mmander8]

This would be a good time to implement issue #449 and issue #450, if you decide to reconsider your position on those issues.

[inexorabletash]

That was a fairly convoluted one, but at least the fix was easy once the root cause was understood.