phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1a79650a754239a84f99af8925acf0a0' 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 ('1a79650a754239a84f99af8925acf0a0', -1, 1786466976, 1786466976, 'd849d93c', 5, 0, 0)

Line : 187
File : sessions.php