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)=(ac7928c6034576f4f5510ff466b57f73) 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 ('ac7928c6034576f4f5510ff466b57f73', -1, 1714023382, 1714023382, '03913bbb', -4, 0, 0)

Line : 187
File : sessions.php