phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'caaf621714c6464cae8587faf9dcf0ba' 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 ('caaf621714c6464cae8587faf9dcf0ba', -1, 1761647469, 1761647469, 'd849d809', -9, 0, 0)

Line : 187
File : sessions.php