phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '978611f755364b538889edca609c8efa' 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 ('978611f755364b538889edca609c8efa', -1, 1714344535, 1714344535, 'c0a80201', 16, 0, 0)

Line : 187
File : sessions.php