phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '64189354a4415f2ae6e275277594eee9' 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 ('64189354a4415f2ae6e275277594eee9', -1, 1762966598, 1762966598, 'c31412cc', 18, 0, 0)

Line : 187
File : sessions.php