phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac701810315e30c79329daf251b4a1fc' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac701810315e30c79329daf251b4a1fc', -1, 1752970436, 1752970436, 'd849d8b3', -9, 0, 0)

Line : 187
File : sessions.php