phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8acd1f21fb2706e407c4dac3f5dabb5' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c8acd1f21fb2706e407c4dac3f5dabb5', -1, 1714240716, 1714240716, '12dc0b22', -4, 0, 0)

Line : 187
File : sessions.php