truncation of right-hand side string for assignment has occurred

  Explanation:  You executed a STORE or MODIFY statement, and  the
  string on the right-hand side of the equation is longer than the
  string on the left.

  User Action:  The length of the right hand side must fit in  the
  location  where  the  value  is  being stored.  Specify a string
  which fits into the target location.