phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0a4be2f31567cb98c51aa5b47c2518b3' 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 ('0a4be2f31567cb98c51aa5b47c2518b3', -1, 1768295722, 1768295722, 'd849d81c', -4, 0, 0)

Line : 187
File : sessions.php