phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6d24ad7252d53eb4de8e8a1ae9694f50' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6d24ad7252d53eb4de8e8a1ae9694f50', -1, 1784963957, 1784963957, 'd849d991', -4, 0, 0)

Line : 187
File : sessions.php