There is no Sandbox facility available for e-Way Bill
Cause
This error occurs when you have enabled the Sandbox access but during the alteration of a stock item, you don’t have any dummy credentials to validate HSN/SAC info for e-Way Bill. These dummy credentials are only for trial purpose.
Resolution
You need to get the proper credentials to validate HSN if you are registered for e-Way Bill as there are no option to demonstrate trails in TallyPrime.
Also, you have to set the Enable Sandbox Access option for the particular Company in TallyPrime to No.
- In TallyPrime, press F11 (Company Features) > Ctrl+I (More Details) > under Other Details, set Enable Sandbox Access to No.
After disabling Sandbox, you can enter the correct credentials to validate HSN.
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