Cannot open Anim Notify Manager

Cannot open Anim Notify Manager. Right Click>Manage Notifies doesn't open it and the Manager no longer appears in the Window Menu.

Regression: YES

Broken: 3224400 (4.14.1)
Worked: 3172292 (4.13.2)

1. Create a Third Person Template project
2. Open any animation sequence
3. Right click in the notify timeline and select "Manage Notifies"

Result: The Anim Notify Manager does not appear
Expected: Anim Notify Manager comes up

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