phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aedb7a164d36a2aeeb4943256218360e' 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, priv_session_id) VALUES ('aedb7a164d36a2aeeb4943256218360e', -1, 1780548762, 1780548762, 'a29f7312', 2, 0, 0, 'b7d23cd2890821de3588f6f7c2df86b2')

Line : 187
File : sessions.php