CSV import :

Either fill data in Schedule 112A / Schedule 115AD / TDS / TCS as applicable  or import CSV. If data is partially filled and if you want to import CSV file, delete the data from utility and then import CSV file with all the data to avoid duplication of data.

Digest : 

Please follow below steps to avoid "Hash value Error" or "Digest Value error" in JSON generated from excel utilities : 

1.Goto : "(https://www.microsoft.com/en-in/download/details.aspx?id=25150)". Download Microsoft .NET Framework 3.5 Service pack 1 (Full Package) from Official Microsoft Download Center 
2.Click on "Download" button to download the framework, and proceed with its installation 
3. Restart the computer and try to generate the JSON again