phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1acd1fd4216e5994989fad655b1063fb' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1acd1fd4216e5994989fad655b1063fb', -1, 1715776844, 1715776844, '340f8e35', -8, 0, 0)

Line : 187
File : sessions.php