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)=(a7c264f6dfbdd5d54c2816d67fea5e2b) 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 ('a7c264f6dfbdd5d54c2816d67fea5e2b', -1, 1713998156, 1713998156, '03902ac4', -4, 0, 0)

Line : 187
File : sessions.php