phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a78f27d24c2322d47e68ca7dac01b2ba' 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 ('a78f27d24c2322d47e68ca7dac01b2ba', -1, 1714607256, 1714607256, '0390549b', 18, 0, 0)

Line : 187
File : sessions.php