phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a18c4d7f4141a58c9a4042fe2879f5a9' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a18c4d7f4141a58c9a4042fe2879f5a9', -1, 1715708019, 1715708019, '03865fde', -8, 0, 0)

Line : 187
File : sessions.php