phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639da6c01a3197ed6f86a1cc0d790405' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('639da6c01a3197ed6f86a1cc0d790405', -1, 1715078542, 1715078542, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php