phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9acf2d7298abc0b27bc0654fa159eb69' 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 ('9acf2d7298abc0b27bc0654fa159eb69', -1, 1711710613, 1711710613, '171433a2', -4, 0, 0)

Line : 187
File : sessions.php