TimedText-InvalidCharacter (Invalid Character Error)
Caption 394: 00:26:05.9340000 => 00:26:09.0000000 They're never happy[\ufffd] with what they have.
The timed text file has an invalid character. The error message includes the timecodes of the affected event and its contents to assist you with locating the invalid character.
Remove the offending character. Refer to the NETFLIX Accepted Glyph list for a list of accepted characters.