phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1d1f213a681237f54a34ad8d2c6d5b3' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a1d1f213a681237f54a34ad8d2c6d5b3', -1, 1755176188, 1755176188, 'd849d8b3', 7, 0, 0)

Line : 187
File : sessions.php