UE 4.22 Crashes when trying to open Sequencer

I have been working in a project that has a built out sequencer with lighting and mesh animations. Whenever I go to open my main sequence editor containing these animations, UE freezes upon opening the Sequencer window.

I have attempted to go back to much older animations that previously worked, and am continuing to run into the same issue. How do I go about successfully opening the sequencer without UE freezing up?


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