Tds return error

I am getting following error while generation file in FVU 4.6

1)T-FV-3000 Invalid Challan details Record Length i.e., number of fields in the file is not same as applicable in the file format. 

2)T-FV-2097 Count of Challan/Transfer voucher Records in Batch Header not matches with actual no. of Challan/Transfer Voucher No.

3)T-FV-2129 Mismatch between Count of salary Detail in Batch Header and actual no. of Salary Detail in the Batch