Transcode File path

[nma]

I have jellyfin installed on my ZimaBoard using CasaOs. My media is stored on a Synology Nas and the zimaboard has read/write access to my media folder. The issue is that the transcoding logs are currently being stored on the internal SD of the ZimaBoard and quickly uses up all the space. So I went to "playback" in the settings and pointed the transcode logs to a sub folder in the media folder on my Nas so that my Nas can store the transcode logs. However, when I do this, my media won't play. Any reason why?