phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b1d8ff18c07706de2e1023fe091e83ec' 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 ('b1d8ff18c07706de2e1023fe091e83ec', -1, 1713538338, 1713538338, '0390faa9', -2, 0, 0)

Line : 187
File : sessions.php