phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '908740c2ba9c4ba6adf343f48f1a7995' 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 ('908740c2ba9c4ba6adf343f48f1a7995', -1, 1714300948, 1714300948, '12dc89a4', -4, 0, 0)

Line : 187
File : sessions.php