phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '968aebe53670f75b5ab126956ad9006b' 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 ('968aebe53670f75b5ab126956ad9006b', -1, 1764613900, 1764613900, 'd849d825', -9, 0, 0)

Line : 187
File : sessions.php