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)=(71e172d9ac104f3706a21327c93654b1) 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 ('71e172d9ac104f3706a21327c93654b1', -1, 1714034404, 1714034404, '03858d06', -9, 0, 0)

Line : 187
File : sessions.php