The aforesaid error "No Accounting Info" occurs in following situations :

Situation 1 : 
Applicable to : Vouchers-V7-Sales-Purchase-Advanced.xls format


Cause of error: 
All the required VAT Rates are NOT specified in the Settings file i.e. "Vouchers-V7-Sales-Purchase-Advanced-settings.csv" file.

Solution: 
You must add the VAT details in the Settings file "Vouchers-V7-Sales-Purchase-Advanced-settings.csv". Example: If your Excel data contains VAT 7%, but the Settings/CSV file does not contain VAT 7% details, then this error appears.


Situation 2
Applicable to : Other Sale/Purchase formats

Cause of error: 

The Sales / Purchase Ledger has "Inventory values are affected" option set as No".

Solution:
Set the "Inventory values are affected" to Yes for the Sales/Purchase ledgers.