phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fce03d8e6a9e78b1d0322fbc5738e954' 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 ('fce03d8e6a9e78b1d0322fbc5738e954', -1, 1773463876, 1773463876, 'd849d815', 7, 0, 0)

Line : 187
File : sessions.php