phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639489b0f78c046cc14a3fe18f2bc80f' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('639489b0f78c046cc14a3fe18f2bc80f', -1, 1715253661, 1715253661, '12dac4b6', -4, 0, 0)

Line : 187
File : sessions.php