phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '377b7ef3b0d43a92a84dcf954e6ac846' 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 ('377b7ef3b0d43a92a84dcf954e6ac846', -1, 1771688691, 1771688691, 'd849d890', 1, 0, 0)

Line : 187
File : sessions.php