Manual temporary workaround:

https://www.reddit.com/r/DataHoarder/comments/13hjddd/riptok_tiktok_download_manual_edition/

RipTok - currentlly not working due to changes in TikTok and unoffical API

Script provided as is. Absolutely no guarantee.

A TikTok ripper based on TikTokApi and YouTube-dl. Some assembly may be required.

positional arguments:
  user                  Target username to rip

optional arguments:
  -h, --help            show this help message and exit
  --download_dir DOWNLOAD_DIR
                        Path to the directory where videos should be downloaded
  --skip_existing SKIP_EXISTING
                        Skip videos which are already in the download directory
  --timezone TIMEZONE   Override UTC with another timezone code
  --delay_min DELAY_MIN
                        The minimum sleep delay between downloads (in Seconds)
  --delay_max DELAY_MAX
                        The maximum sleep delay between downloads (in Seconds)

Have fun!

Ripper by default is creating a new folder in running diectory ("_rips") and puts video files in folders by username. Follow instructions in callback when installing TikTok_Api and instruction on project sites and documenetation.