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)=(399e4f3b1e720adc8b47a810a1b0c60a) 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 ('399e4f3b1e720adc8b47a810a1b0c60a', -1, 1714241046, 1714241046, '12de7dab', 243, 0, 0)

Line : 187
File : sessions.php