phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a12101dc18cb820728e891c4770e85ca' 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 ('a12101dc18cb820728e891c4770e85ca', -1, 1715751188, 1715751188, '0391da80', -1, 0, 0)

Line : 187
File : sessions.php