phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b51caab8bea57212b73b7a7f4ec7858f' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b51caab8bea57212b73b7a7f4ec7858f', -1, 1763796265, 1763796265, 'd849d8d6', 2, 0)

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