phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '18c3bb56ce570adb18844b89cfe1f9de' 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 ('18c3bb56ce570adb18844b89cfe1f9de', -1, 1756788666, 1756788666, 'd849d87c', -9, 0, 0)

Line : 187
File : sessions.php