Getting error on sales update as Cost object edit code 1 does not allow this value to be entered

Getting below error in WC while doing sales update for Credit order with line type C.Kindly advise.

Subject : 

CAUSE . . . . Cost object edit code 1 does not allow this value to be entered

  in cost object type 1 for this account. Valid edit code values

  include:

  Blank - No edit will be performed.

  '1' - A valid cost object type must be entered in cost object type 1

  for this account.

  '0' - Cost object type 1 must be blank for this account.

  A specific cost object type previously defined in the Cost Object Types

  (F1620) table. If a specific cost object type is entered then only that