phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "phpbb_session_pkey" DETAIL: Key (session_id)=(a9430b5c5d1b67ebf0835247dbe00cae) already exists.

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a9430b5c5d1b67ebf0835247dbe00cae', -1, 1714301275, 1714301275, '12d99eb8', -4, 0, 0)

Line : 187
File : sessions.php