phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9a853b8385e32673cd65dfa132f2b88' 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 ('a9a853b8385e32673cd65dfa132f2b88', -1, 1755598973, 1755598973, 'd849d800', 24, 0, 0)

Line : 187
File : sessions.php