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")=(b4af739f105f7bbd6d490fa865478cfc) 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 ('b4af739f105f7bbd6d490fa865478cfc', -1, 1714895810, 1714895810, '7f000001', 1, 0, 0)

Line : 187
File : sessions.php