Actor's agency announces that they have ”found his whereabouts” after he ”left an apology letter and then lost contact”

Actor Jang Dong-Ju has become unreachable after leaving an apology, causing concern. On the 31st (today), Jang Dong-Ju posted a message on a black screen saying, "I'm sorry."
Fans continued to express their concerns, wondering, "What happened?"
My worries grew even more when I realized that E&M was also unable to be contacted.
However, the management office later said, "Jang Dong-Ju's whereabouts have been identified. It's not a bad situation."
They issued an official statement saying, "We apologize for causing concern." Meanwhile, Jang Dong-Ju made his debut in the play "A Midsummer Night's Dream" in 2012.
Since then, he has appeared in TV series such as "Bokus Returns" and "Undercover Lawyer: Class of
Lies," "I'll Be Your Night," the movie "The Honest Politician"
He has appeared in dramas such as "Joo Sang-sook" and "Handsome Guys."
This year, he also attracted attention by appearing in the Netflix series "Trigger."