phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3117df408e266ec18b4aa8b96afbac07' 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 ('3117df408e266ec18b4aa8b96afbac07', -1, 1714128286, 1714128286, '03909ad0', -4, 0, 0)

Line : 187
File : sessions.php