Recording Failing to Start on Plex Server

[SimonF]

vu+ solo4k

System OE: OE-Alliance 4.4
Firmware version: OpenViX 5.4.007 (2021-02-17)
Kernel / Drivers: 3.14.28 / 20190424

Failure seems to be at this point. Can you advise is this a plugin issue or Plex?

Feb 22, 2021 15:45:21.513 [0x15123bbfd700] DEBUG - Request: [127.0.0.1:37820 (Loopback)] GET /identity (11 live) Signed-in
Feb 22, 2021 15:45:21.513 [0x15128aab1700] DEBUG - Completed: [127.0.0.1:37820] 200 GET /identity (11 live) 0ms 398 bytes (pipelined: 1)
Feb 22, 2021 15:45:21.812 [0x15123bbfd700] ERROR - [Transcoder] http://192.168.1.120:8001/1:0:19:1b1...1a0000:0:0:0:: Invalid data found when processing input
Feb 22, 2021 15:45:21.813 [0x15128b90a700] DEBUG - Jobs: '/usr/lib/plexmediaserver/Plex Transcoder' exit code for process 1496 is 1 (failure)
Feb 22, 2021 15:45:21.813 [0x15123b5fa700] DEBUG - [Grabber/9d47c35f60c487198e82bffc627328375560dbbb] TranscodeSession: session failed while waiting for duration

let me know if you need logs from box and how to provide if required. I have attached by Plex log.

Regards
Simon