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)=(9bffee3856e00f7197a58483b25c5f04) 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 ('9bffee3856e00f7197a58483b25c5f04', -1, 1714261697, 1714261697, '0310d463', 201, 0, 0)

Line : 187
File : sessions.php