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)=(c4709b9fe69572a6d1ad9aa53c5d7c2b) 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 ('c4709b9fe69572a6d1ad9aa53c5d7c2b', -1, 1714201561, 1714201561, '0317653c', -9, 0, 0)

Line : 187
File : sessions.php