Updated PMS to version 1.18.8.2527 last night and trailers are no longer working with some error about transcoding and CPU limit being exceeded. Prior to updating trailers always played fine.
OS Version:
FreeNAS-11.2-U7
(Build Date: Nov 19, 2019 0:4)
Processor:
Intel® Xeon® CPU E3-1225 v3 @ 3.20GHz (4 cores)
Memory:
32 GiB