Renaming Sonarr episodes located on Synology

I have added a large amount of seasons of shows located on my Synology box to my Sonarr library. All of the episodes show up as the correct counts for each season. When I try to rename and organize each show to clean up the names, Sonarr tells me that it has successfully completed the transaction. However, no actual changes are made. Is this due to a problem with Sonarr accessing the content on the Synology? Or something else?

Debug logs should tell exactly what is happening.

Does Sonarr have full read/write access to those files?