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")=(997c86427c3dbefa67457b48a5e85ffe) 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 ('997c86427c3dbefa67457b48a5e85ffe', -1, 1715754306, 1715754306, '7f000001', -9, 0, 0)

Line : 187
File : sessions.php