phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ff78656a30f4fa66018ddc4948b46916' 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 ('ff78656a30f4fa66018ddc4948b46916', -1, 1715263938, 1715263938, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php