Perform the Plex Dance
Your log indicates “no change”.
Feb 29, 2020 15:32:01.024 [0x7f05967bd740] DEBUG - Scanner: Processing directory /data/hdd1/Video/Movies/Anna (2019) (parent: yes)
Feb 29, 2020 15:32:01.028 [0x7f05967bd740] DEBUG - Skipping over directory 'Anna (2019)', as nothing has changed;
Next time please provide the accompanying Plex Media Server.log as well, as it contains further clues about the matching.
Some more tips: How to find the discrepancy between number of files on disk and the number of movies in the Plex movie library
