phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9dd52a04929527bc2e46eb818caa012' 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 ('a9dd52a04929527bc2e46eb818caa012', -1, 1762344835, 1762344835, 'd849d89d', 7, 0, 0)

Line : 215
File : sessions.php