There have been numerous reports from user X or Twitter, using the same name, that indicate a problem with every post or tweet displayed. These messages were sent on January 1, 1970 (1 Jan 70) and cannot be loaded normally.
According to data from Downdetector, problem reports have been coming in since approximately 8:45 PM Thailand time.
At the time of writing this news, the hashtag #TwitterDown is trending as the number 1 trend in Thailand.
Image credit: X/@talkthematter
TLDR: User X on Twitter has encountered issues with all posts and tweets sent on January 1, 1970. Downdetector has received reports of problems starting around 8:45 PM Thailand time. As a result, the hashtag #TwitterDown is currently trending at the top spot in Thailand.