phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '524339f2ca219d9d03646e3078b1cdb2' 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 ('524339f2ca219d9d03646e3078b1cdb2', -1, 1776676440, 1776676440, 'd849d875', 1, 0, 0)

Line : 187
File : sessions.php