phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b15b5cfbcb57d742b22938c675f2249' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8b15b5cfbcb57d742b22938c675f2249', -1, 1714501303, 1714501303, 'c0a80201', -8, 0, 0)

Line : 187
File : sessions.php