Exception in Parse Excel to CDT

Hi,

I am using Parse Excel to CDT smart service for dumping the Excel data into Database.

My Excel sheet contains 100 rows and 20 columns.

While doing parsing am getting the below exception

And even I tried by dumping with 20 columns and one row then also it is throwing me the above exception.

If I am trying to dump 4 columns or 5 rows then it is accepting.

Is there any limit while using this smart service for dumping excel data.

Can you please suggest me.

Thank you