In Line &1, length of Cust with. cert. no. of Jrnl Entry &2 should be 14.

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

You can maintain the Customs withholding certificate number in the
<ZK>Reference</> field in the <ZK>Header</> section of a journal entry
in the <ZK>Manage Journal Entries</> app.
For multiple incoming VAT invoices in one journal entry, you can
maintain the Customs withholding certificate number in the <ZK>Ass
ignment</> field of a tax line item of the journal entry in the
<ZK>Manage Journal Entries</> app.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.