phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ef398d5d0ae9f4b78e73e6f6ee87e7ab' 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 ('ef398d5d0ae9f4b78e73e6f6ee87e7ab', -1, 1714287881, 1714287881, 'c0a80201', -10, 0, 0)

Line : 187
File : sessions.php