Unable to find “Entire Timesheet” UDF on the smart interface.

Administrator has created a user defined field – Entire Timesheet and it is enabled for the whole company. Administrator enables the smart interface for himself, after which he is not able to find the Entire Timesheet-UDF on his timesheet. In the Smart Interface, the Entire Timesheet – UDF is located under the Additional Information option above the Comments filed. (In the old timesheet, the Entire Timesheet – UDF is located on the left top corner, below the Timesheet Status).