failed to map inputs when using external data

In test manager, when i add input by import a external excel file, MAPPING STATUS show information:

Failed to map inputs..............

Has anyone encountered the same problem? How did you solve it? The operation steps are shown in the following picture

[Pat Canny]

Did you try moving the data up one row to start at Row 1?

Have you looked at this example?

[shaogang wu]

YES,this morning i tried moving the data up to start at Row 1,and add type(screenshoot1), mapping status is warning (screenshoot2),then run the test,but another problem arose(screenshoot3), It seems that the port signal name in the first line cannot be recognized

screenshoot1

screenshoot2

screenshoot3

testharness see below

The steps to create a test environment are as follows:

1. Open the Test Manager.

2. In the test manager toolbar, select Auto Creat > Test File from Model.

3. select the test Model.

4. Under the External Inputs table, click Add.

5. In the Add Input dialog box, for File, select the Inputsignal_Harness1.xlsx from the current directory. RANGES is A1:FF13

6. In the Add Baseline criteria dialog box,for File, select the Inputsignal_Harness1.xlsx from the current directory. RANGES is FG1:MH13

7.Run the test