phpBB : Critical Error

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Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1f9df735ba5aefd1a6eafd2bc5768d4' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a1f9df735ba5aefd1a6eafd2bc5768d4', -1, 1714219315, 1714219315, '0395f320', 0, 0, 0)

Line : 186
File : sessions.php