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Errors & Resolutions from Cygnet

Last updated on: October 12, 2026 | ⏱ 9 min read

This page lists errors received from Cygnet along with the possible cause and resolutions. 

Error Cause Resolution
  • Document can not override when existing einvoice document push status is generated.
  • A document cannot be overridden when existing Tax Authority Status is ‘Generated’.
  • Document Can Not Override When Existing Einvoice Document Push Status Is In Progress.
 An e-Invoice with the same document number has already been uploaded for the year.
  1. Select the required voucher and press Alt+L (Get e-Invoice Details) to fetch the latest status.
  2. If the document number is incorrect, provide the correct document number and exchange the voucher again.

 
‘DateTime’ must be less than or equal to current date and time. It should not be a future and date. The date specified in the voucher is greater than the current date. Provide a Date that is not later than the Current Date in the voucher. 
Invalid BillToTaxRegNo. Bill To Tax Reg No should not be same as Entity Tax Reg No if Supply Type is S.  The party TRN is the same as the company TRN. Provide the correct party TRN in the Party Details subform.
ShipToLocation Id should not exceed 95 characters. The digital location identifier entered for the consignee exceeds 95 characters. Provide a Digital Location Number with a maximum of 95 characters in the e-Invoice Details subform. 
  • Invalid TaxRate. TaxRate must be greater than 0 when TaxCategoryCode is “N”.
  • Invalid DocumentTypePurpose. DocumentTypePurpose must not be 480 or 81 when TransactionTypeCode is 01000000 (Deemed supply) or 00100000 (Margin scheme) or 00010000 (Summary invoice).
 The tax rate is zero or not specified for a transaction with the nature of transaction set to Domestic supplies – profit margin.
  1. Enter a Tax Rate greater than 0 in the voucher.
  2. Select Taxability as Taxable.
Either BillToIdentifier > ID or BillToTaxRegNo must be provided when TransactionTypeCode is not 00000001, BillToEndpoint > Scheme is 0235, and BillToEndpoint > ID is not “1XXXXXXXXX”. The required party identification details are not provided. Provide either the party’s Digital Identity Number or party’s TRN in the Party Details subform.
‘BillToCountrySubdivision’ must not be empty. The party’s Emirate is not specified.

Select the appropriate Emirate for the party from the predefined list.

Do not create a new Emirate.
‘BillFromCountrySubdivision’ must not be empty. The company’s Emirate is not specified.

Select the appropriate Emirate for the party from the predefined list.

Do not create a new Emirate.
‘BillToTaxRegNo’ is not in correct format. The party TRN is not in the required format.

Provide a valid party TRN  in the Party Details subform. 
The TRN must start with 1, end with 03, contain exactly 15 digits, and contain only numbers.
  • The receiver is not registered with Peppol SMP / SML.
  • Invalid BillToEndpoint format. BillToEndpoint should be string having Format [Scheme ID][colon][ID].
  • Invalid Scheme. BillToEndpoint Scheme should be one of the values from the master.
  • The length of ‘BillToEndpoint’ must be less than or equal to ’30’.
 The party’s PEPPOL ID is incorrect. In the Party Details subform, enter the correct PEPPOL ID.
The length of ‘BillToIdentifier’ must be less than or equal to ’50’.

 

 The party’s Digital Identity Number exceeds 50 characters. Enter the Digital Identity Number with a maximum of 50 characters in the e-Invoice Details subform.
‘BillToCountry’ must not be empty. The party’s Country is not specified.

Select the appropriate Country for the party from the predefined list. 

 
Given EntityTaxRegNo or EntityTin or EntityName is invalid. The VAT Registration Details in More Details contains incorrect information.
  1. Check the company details in F11 (Company Features) and provide the correct TRN, TIN, or Company Name.
  2. Save the voucher and upload it again.
The length of ‘PartyBillToIdentifier’ must be less than or equal to ’50’. The Free Zone Number is invalid.

Enter the correct Free Zone Number in the Party Details subform.
ShipToCountrySubdivision’ must not be empty. The consignee’s Emirate is either blank or not selected from the predefined list.

Select the appropriate Emirate from the predefined list.

Do not create a new Emirate.
“‘ShipToCountry’ must not be empty.” The consignee’s Country is either blank or not selected from the predefined list.

Select the appropriate Country from the predefined list.

Do not create a new Country.
“Invalid ShipToCountry. ShipToCountry should not be AE for Export transactions.” The country is outside UAE, but the consignee country is set to UAE.

Select a consignee Country other than UAE.
StandardIdentification’ must not be empty. When the Nature of Transaction of one of the vouchers is Domestic taxable supplies under reverse charge.
  1. Create a separate sales ledger for the transaction.
  2. In the ledger, set Taxability to Non-Vatable.
  3. Set the appropriate Nature of Transaction for the ledger.
  4. Select this ledger in the voucher and record the transaction again.
  • At least one of BillFromBankAssignedId > ID, BillFromLegalRegNo > ID, or BillFromTaxRegNo must be provided to identify the supplier.
  • At least one entry must be provided
 When Agency ID details are not provided in F11 screen.

Press F11 (Company Features) > set Enable VAT to Yes, and enter the Agency ID, Agency ID Number, and the applicable dependent details.
Invalid TaxRate. TaxRate must be 5% when TaxCategoryCode is S. One or more line items have a tax rate other than 5%, either in the ledger configuration or in the Modify VAT Rate Details screen.

Configure the applicable ledger with a 5% tax rate and record the voucher again.

 
  • Invalid TaxAmount. TaxAmount should be as per the defined formula.
  • Invalid TaxAmountInAccCurrency. TaxAmountInAccCurrency should be as per the defined formula.
 The VAT Amount has been manually overridden in the voucher, or the VAT ledger is not configured correctly.

Check the VAT ledger configuration. 

  1. Set Parent Group to Duties & Taxes.
  2. Set Type of Duty/Tax to VAT.

    Do not override the VAT Amount in the voucher. Allow TallyPrime to calculate the VAT amount automatically.

  3. Record the voucher again.
  • ReturnPeriod’ value is invalid.
  • ‘DocumentDate’ must be less than or equal to current date and time. It should not be a future date and time.

 

 The Voucher Date or Return Period is greater than the Current Date.

Provide the correct Voucher Date or Return Period, and record the voucher again.

Invalid BillFromLegalRegNo, BillFromLegalRegNo > ID  must be provided when BillFromEndpoint > Scheme is 0235.

 

 The Agency ID is selected in F11 (Company Features), but the corresponding Agency ID number is not provided.
  • If Agency ID is Trade License, enter the Trade License Number and Agency Name.
  • If Agency ID is Passport, enter the Passport Number and Passport Issuing Country.
  • If Agency ID is other than Trade License and Passport, enter the Agency ID Number.

 
  • “‘DocumentCurrency’ must not be empty.”,
  • “‘TotalDocAmountInAccCurrency’ must not be empty.”,

 

 The Currency or total document Amount in the accounting Currency is not specified.

Check the currency and amount in the voucher, and provide the required values.

  1. Press Alt+G (Go To) > Alter Master > Currency.
  2. Alter the currency master of the foreign currency that is causing the error.
  3. Review the Formal Name and ISO Currency Code to ensure that both values are selected from the helper (Alt+H) dropdown.
  4. Save the currency master.

[ibr-055-ae]-Preceding invoice reference (IBG-03) is must when invoice type code (IBT-003) is 381 (Credit note) or 81 (Credit note related to goods or services) except when the [BTAE-03] Credit note reason code is ‘VD’.

 

 When original invoice number and original invoice date details are available in the Credit Note and the Reason for Rejection is Volume Discount.

Remove the original invoice number and original invoice date from the Credit Note.
The length of ‘BillToTaxRegNo’ must be equal to ’15’. The party TRN is invalid.

Provide a valid party TRN. 

The TRN must start with 1, end with 03, contain exactly 15 digits, and contain only numbers.
  • Invalid BillToLegalRegNo > ID. BillToLegalRegNo > ID is mandatory when DocumentTypePurpose is 480 or 81.
  • [ibr-cl-11]-Any registration identifier identification scheme (ibt-030-1), (ibt-047-1), (ibt-061-1) MUST be coded using one of the ISO 6523 ICD list.
 The party’s Legal Agency details are missing or incorrect.

Enter the correct Legal Agency details like Agency ID and Legal Agency Identifier in the e-Invoice Details subform in the voucher.
  • MLS was not accepted successfully. Please check the MLS status.
  • An unknown error has occurred while processing api response.
  • network.oxalis.ng.api.lang.OxalisTransmissionException: No transmission is provided.
  • No transmission is provided.
  • An unknown error has occurred. Please try again after some time.

 

 

 A connectivity error occurred while processing the e-Invoice.

Check the voucher details and upload the voucher again. If the issue persists, try again after some time.
  • Invalid InvoiceTotalAmountWithoutTax. InvoiceTotalAmountWithoutTax should be as per the defined formula.
  • [ibr-146-ae]-Charge amount (IBT-099, IBT-141) must equal base amount (IBT-100, IBT-142) * percentage (IBT-101, IBT-143) /100 if base amount and percentage exists
  • [ibr-131-ae]-Allowance amount (IBT-092, IBT-136) must equal base amount (IBT-093, IBT-137) * percentage (IBT-094, IBT-138) /100 if base amount and percentage exists
  • Invalid DocumentChargeDetails[0].ChargeAmount. DocumentChargeDetails[0].ChargeAmount should be as per the defined formula.
  • Invalid DocumentAllowanceDetails[0].AllowanceAmount. DocumentAllowanceDetails[0].AllowanceAmount should be as per the defined formula.
  • TotalTaxableAmount should be equal to Quantity X Taxable Amount  per base quantity + Charge Amount – Discount Amount
  • Total Amount should be Total Taxable amount + Tax amount
  • Invalid NetUnitPrice. NetUnitPrice should be  [UnitPrice] – [UnitAllowanceAmount]
 The amounts in the voucher do not match the required calculations. This may occur if the Taxability is incorrectly configured for a line item, the Taxable Value is overridden after modifying the VAT Rate details, or the quantity, unit price, charges, discounts, or tax amounts are incorrect.
  1. Check the Taxability configured for each line item in the voucher.
  2. If the Taxable Value was overridden after modifying the VAT Rate details, provide the correct value.
  3. Check the following fields in the voucher and provide the correct values:
    • Quantity
    • Taxable Value per base quantity
    • Unit Price
    • Unit Allowance Amount
    • Charge Amount and Charge Base Amount and Charge Percentage
    • Allowance Amount, Allowance Base Amount, and Allowance Percentage
    • Total Taxable Amount
    • Invoice Total Amount Without Tax
    • Tax Amount
    • Total Amount
    • Net Unit Price
  4. Record the voucher again.
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