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")=(81dc1ac013469e5fd0b6110958014d50) 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 ('81dc1ac013469e5fd0b6110958014d50', -1, 1715523988, 1715523988, '7f000001', -1, 0, 0)

Line : 187
File : sessions.php