phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd4a97ca2604be981a1c550fa926d6856' 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 ('d4a97ca2604be981a1c550fa926d6856', -1, 1714980768, 1714980768, '038a8dca', -10, 0, 0)

Line : 187
File : sessions.php