The selected file /tmp/filej7YyCl could not be uploaded, because the destination sites/default/files/css/css_a91cd284035e73ba34d112bfed2f5a16.css is not properly configured.
  The selected file /tmp/filenHEr0t could not be uploaded, because the destination sites/default/files/css/css_de1aa27776f1462d2b0d83a80ce4b92d.css is not properly configured.

This Settings Tab only applies to Fields placed locally into a List, and includes only Local List Settings.

Checking this box indicates your desire to make this column the default column to sort your list by. It enables a select box wherein you may choose to sort in ascending or descending order. Certain Fields, such as Evaluated Fields, cannot be set as the default sort.

Type the width of your column in pixels. Values must consist of an integer followed by the letters 'px.' If no value is chosen, the List Layout will automatically size your columns based on the data within them. Entering a value here fixes the width of this column only.

Select how the text in your column header is aligned. Choices are left, center and right.

Select how the text in your columns data-rows are aligned. Choices are left, center and right.