Error while importing data into HCMpersonalidentificationnumber table using Excel Add-in

Dear All:

While trying to import the data into HCMpersonalidentificationnumber table using Excel Add-in, i am getting the below mentioned error:


Microsoft Dynamics AX Office Addin

An error occurred. The data in the workbook and the behavior of any add-ins may not be correct. Consider contacting your system administrator about this problem.

Sequence contains no matching element

OK

We have customized this form and added 2 text fields which are not mandatory

Any solution for this error is highly appreciated

Regards
Zubair