phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '759c90baf1e0040dc31d7269853d36c8' 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 ('759c90baf1e0040dc31d7269853d36c8', -1, 1758160986, 1758160986, 'd849d822', -9, 0, 0)

Line : 248
File : sessions.php