PS4 Pro + Qnap TS230 = "An unexpected playback error occurred"

[ohmar2]

Server Version#: 4.76.1
Player Version#: 5.42.2

Previously I used my old iMac 27" to stream videos to my PS4 Pro and this has always worked flawlessly (for over 8 years or so). Now the iMac died and I bought a NAS (Qnap TS230) to backup to and stream from.

I can perfectly browse the entire catalog, everything loads well, but when I actually press play on any of my files, I get this message:
"An unexpected playback error occurred"

Because my NAS can’t do transcoding I have made sure that my source files are compatible with the PS4 Pro, so I only use H264 files with a correct compatible audio format. I did enable Direct Play and Direct Stream.

I am looking through the debug data and the only thing I can find is:
"[Connections] All connections to [Loopback] failed"
I am not able to find this message back in the debug log, so it’s hard for me to pinpoint what’s going on.

After getting the error message I ran to my laptop to coy the debug data. It took me approx. seven seconds from getting the error till copying the text in the debug data, so the error should appear around seven seconds before the end of the document:
debugdata_plex_nastyplex_v1_debug_nonverbose.txt (163.6 KB)

Here are the correct logs:
Plex Media Server Logs_2022-07-26_20-43-03.zip (925.4 KB)

Managed to get a second one within a second after getting the error:
Plex Media Server Logs_2022-07-26_20-52-55.zip (934.3 KB)

Now I have no clue what to search for, so I’m hoping someone can steer me in the right direction. I’m no SysOp, but with a bit of Googling and some help I’ll probably be able to solve the issue.

About the LAN in my home:

• There is one modem/router connected to the outside line
• Both one Access Point and one NAS is directly connected to the modem
• The PS4 Pro is connected to the Access Point
• The iMac setup that is now replaced with the NAS was also connected to the Access Point in the previous setup

Thanks for your time so far,
Marinus

[dane22]

First of all, we need PMS logs in debug mode right after reproducing

Secondly, are you sure that your Access Point is not a router?
( Meaning that your iMac is on another IP net than your QNAP? )

[ohmar2]

Thanks for your reply, I will get the PMS logs right after reproducing.

To answer your second question, the Access Point is a router in Access Point mode, so it’s only passing through. I have set all my machines to get their own fixed IP through DHCP on my modem by fixing the IP’s to their MAC addresses.

What’s strange is that I can browse the entire library fine, and the issue only happens when actually trying to start a stream on the PS4 Pro. The same files play perfectly through the previous setup with the iMac. I forgot to add that I can also stream to my phone from my current setup with the NAS and my phone will play the streams perfectly fine.

I will get the PMS logs this evening when it’s dark (I’m using a projector), and share them here.

[ohmar2]

Here are the logs, I have also attached them to the OP:
Plex Media Server Logs_2022-07-26_20-43-03.zip (925.4 KB)

Managed to get one within a second after getting the error:
Plex Media Server Logs_2022-07-26_20-52-55.zip (934.3 KB)

It looks like it can’t directplay, however, the file is H264 and should definitely be able to directplay/directstream. I especially do not understand why this isn’t an issue when I play videos on my mobile device, but only on the PS4.