phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1018596d4f8c177736136dcc49d23cd2' 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 ('1018596d4f8c177736136dcc49d23cd2', -1, 1711697720, 1711697720, '2cc574b0', -11, 0, 0)

Line : 187
File : sessions.php