phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c13c1966e78d41029ac669ac9d47cfaf' 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 ('c13c1966e78d41029ac669ac9d47cfaf', -1, 1714278610, 1714278610, '03801e4d', -4, 0, 0)

Line : 187
File : sessions.php