phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '40fa1dd06e4d29928830e31a8dab87f3' 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 ('40fa1dd06e4d29928830e31a8dab87f3', -1, 1770217558, 1770217558, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php