IMPORTANT!

Instruction how to prepare and run the script:

1. Turn on the script, then go to Your MAL Profile
2. Click Ok on the Alert Box
3. Wait until - "The End"
4. If there are any links, check the Dates there or copy the Links so You can check/fix it some other day

Script tested on TamperMonkey

MAL Post Link: https://myanimelist.net/forum/?topicid=1886650
Backup/Export: https://myanimelist.net/panel.php?go=export

btw. I guess it's obvious, but You have to be logged in on MAL

ps. The process might take a while, so please - be patient.