phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1479caf65117d8bf75f4aec96a2f2f4b' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1479caf65117d8bf75f4aec96a2f2f4b', -1, 1714324006, 1714324006, '0316f99e', -4, 0, 0)

Line : 187
File : sessions.php