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)=(a99e64871407ac6e1f7571c129062315) 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 ('a99e64871407ac6e1f7571c129062315', -1, 1711715478, 1711715478, '2cc5eede', -9, 0, 0)

Line : 187
File : sessions.php