phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '314b4d4a294a558c291b39e2973acda4' 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 ('314b4d4a294a558c291b39e2973acda4', -1, 1770026896, 1770026896, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php