phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '424b2b412f76ba68724946b8e64b8479' 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 ('424b2b412f76ba68724946b8e64b8479', -1, 1764844202, 1764844202, 'd849d8de', -4, 0, 0)

Line : 187
File : sessions.php