phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c5842571291f73f37f5d1f0856cc1b29' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c5842571291f73f37f5d1f0856cc1b29', -1, 1769007595, 1769007595, 'd849d879', 11, 0, 0)

Line : 187
File : sessions.php