Very interesting problem. Not sure how to fix.
Hardware, fully up to date version of Synology DS 1515+ and PLEX media server.
At first i added like 20 moves. Everything worked fine. After that i did a massive dump of movies into the folder that is being “watched”. I refreshed the library and it went to town. After it had finished my problem started.
When on the web interface if i click a movie i get the spinning circle until it stops and says
“No soup for you!
The server you’re trying to access doesn’t want to let you in. Make sure you’re signed in as a user with access to this server.”
if i don’t click on the movie and just click the play button it starts up and starts playing.
Fire Stick on the tv everything works fine, iPhone 6 works fine, iPad works fine but the web interface won’t load the “information” for the movie (trailers, synopsis, cast, ect…)
Ive restarted the NAS as well as stopped and restarted the PLEX service. Tried Safari and Chrome problem still persists and problem was not affected
Any ideas?
Am i the only one that has this problem? The music library works fine, pulls up all the music videos and album artwork and lyrics and everything. The movie library just spins and then gives me the above error. Im pretty new to PLEX but haven’t found anything online. I could completely move everything out of the library refresh empty trash and such and move it all back? Just takes forever and i would hate to do that and have it not fix it. 
ok, i added more music to the library and now it does the same thing?
don’t know how to get at log files either. Internet is no help.
cp /Volume1/Plex/Library/“Application Support”/“Plex Media Server”/Logs/ /Volume1
cp: can’t stat ‘/Volume1/Plex/Library/Application Support/Plex Media Server/Logs/’: No such file or directory
directory definitely exists.
I’m not familiar with the DS1515, so I downloaded the user manual to try to educate myself a bit on it. There’s a section about signing into DSM and then having a desktop. Is there a file explorer application that you can use to browse to the /Volume1/Plex/Library/Application Support/Plex Media Server/Logs/ directory?
There is but it doesn’t give you root access. I ended up using Putty to SSH into it and i had to change the permissions on the log files to copy them to a directory where they were visible and able to be read. Ended up getting some help from an awesome friend who knows quite a bit about unix. Had tons of WARNING stuff taking to long, and then it deleting stuff and then redownloading stuff. i decided to axe the library empty the trashes and everything else and then re add the libraries.
Hopefully, if anybody else has problems using BusyBox and the like they will stumble across this post. I can post more detailed steps on how to get the PLEX logs for the DS1515+ tomorrow. Im dead tired. I don’t know specifics but i know the steps. fingers crossed redoing the libraries works. 