phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ab78cae66a387b0db77f0b9c21e5f7e9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('ab78cae66a387b0db77f0b9c21e5f7e9', -1, 1756490228, 1756490228, 'd849d826', -9, 0)

Line : 180
File : /www/includes/sessions.php