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)=(11f6d79b5e77f516bc49c0990a1e360b) 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 ('11f6d79b5e77f516bc49c0990a1e360b', -1, 1714026619, 1714026619, '0389ab79', -2, 0, 0)

Line : 187
File : sessions.php