phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : -1 ERROR: duplicate key value violates unique constraint "session_pkey" DETAIL: Key (session_id)=(a8483f10d85b1d45ef7c2be3b8cb2540) already exists.

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a8483f10d85b1d45ef7c2be3b8cb2540', -1, 1714126890, 1714126890, '12e0216b', -9, 0, 0)

Line : 187
File : sessions.php