phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e421c836430e44cb95606081a2139935' 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 ('e421c836430e44cb95606081a2139935', -1, 1715792511, 1715792511, '12e0fb88', 31, 0, 0)

Line : 187
File : sessions.php