phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '140d19a17dacbe73fa728855cbfb810a' 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 ('140d19a17dacbe73fa728855cbfb810a', -1, 1784299515, 1784299515, 'd849d8f9', -9, 0, 0)

Line : 187
File : sessions.php