One or more files contain a special .sndata section containing debug symbols.
Most plugins and tools do not detect these symbols.

For more information, see the following links:
  - https://twitter.com/landaire/status/1188680445770125314
  - https://github.com/Longestboi/sndata-converter
  - https://github.com/kiwidoggie-productions/IDA-ConsoleHacking-Scripts/blob/ea3446bf291468bd71fd1634d3b28c5452509c03/PS2/SnDebugPlugin.py