phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f4f6a585bb6020f6b9826a1fb65a324f' 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 ('f4f6a585bb6020f6b9826a1fb65a324f', -1, 1728772796, 1728772796, '2cc87ad6', -11, 0, 0)

Line : 187
File : sessions.php