Warning: [mysql error 1265] Data truncated for column 'section' at row 1

INSERT INTO tt_history
  (
    date,
    time,
    user_id,
    IP,
    section,
    category_id,
    image_id,
    image_type,
    format_id,
    auth_key_id,
    tag_ids
  )
  VALUES
  (
    CURRENT_DATE,
    CURRENT_TIME,
    2,
    '54.156.51.193',
    'contact',
    NULL,
    NULL,
    NULL,
    NULL,
    NULL,
    NULL
  )
; in /var/www/piwigo/include/dblayer/functions_mysqli.inc.php on line 845