phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e484e4d305f03157eaab8cbda4bcb5d4' 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 ('e484e4d305f03157eaab8cbda4bcb5d4', -1, 1764676497, 1764676497, 'd849d818', -4, 0, 0)

Line : 187
File : sessions.php