Overlay display with VAST ads

[AmithBaliza]

Using Plyr for my OTT platform with Google Ad Manager for VAST pre-roll and non-linear overlay ads.

Problem:
Encountering a 503 error when attempting to display VAST non-linear overlays.

Error Message:
"Non linear assets were found in the VAST ad response, but none of them matched the video player's capabilities."

Steps to Reproduce:

Load OTT platform with Plyr video player.
Initiate video playback with Google Ad Manager's VAST ad response.
Observe 503 error when displaying non-linear overlays.
Environment:

Plyr Version: 3.7.8
Browser: Chrome
Ad Manager: Google Ad Manager
VAST Ad Type: Non-Linear Overlays
Request for Assistance:
Seeking guidance on resolving the Plyr 503 error with VAST non-linear overlays.