Clip (< 120s) won't load - swap fail #239

In a previous session I'd saved this input track and it was working fine. Now it won't load and I get the following error:

{source: "swap_failed",…}
match
:
"GPU memory pressure prevented loading the vae_encode engine for this source duration. Try a shorter source clip."
podId
:
"pod-645038693727"
snippet
:
"GPU memory pressure prevented loading the vae_encode engine for this source duration. Try a shorter source clip."
source
:
"swap_failed"
trackId
:
"Back That Azz Up.mp3"
ts
:
1781053270159