phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c4a72a09b676b0bf0ee1038ef3c2b2f7' 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 ('c4a72a09b676b0bf0ee1038ef3c2b2f7', -1, 1714318199, 1714318199, '1276ab14', -10, 0, 0)

Line : 187
File : sessions.php