phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'de6c317234dad6f760edce42fca30331' 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 ('de6c317234dad6f760edce42fca30331', -1, 1768485800, 1768485800, 'd849d83d', -4, 0, 0)

Line : 187
File : sessions.php