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)=(1abfdf50a88f124a6027af352ce946ce) 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 ('1abfdf50a88f124a6027af352ce946ce', -1, 1713436056, 1713436056, '0387c3f9', -1, 0, 0)

Line : 187
File : sessions.php