phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e9866991c94b8f542e09daa3e2d09310' 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 ('e9866991c94b8f542e09daa3e2d09310', -1, 1763249001, 1763249001, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php