phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b3443d6db19300f7405cb014399c2e40' 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 ('b3443d6db19300f7405cb014399c2e40', -1, 1776692187, 1776692187, 'ba02a04b', -1, 0, 0)

Line : 187
File : sessions.php