phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e83f8aaf810416cffb7e523c40af2f4c' 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 ('e83f8aaf810416cffb7e523c40af2f4c', -1, 1768807015, 1768807015, 'd849d8ad', 6, 0, 0)

Line : 187
File : sessions.php