Message type: E = Error
Message class:  FKK_ID_PT_SIGN - Digital Signature Portugal FI-CA/IS 
Message number: 408
Message text: Interval is not registered to create ODN/SAF-T Invoice Numbers
The number range interval cannot be used to create Official Document
Numbers since it is not registered in the
<DS:SIMG.FICA_PT_DFKK_PT_NUMR>Define ODN and SAF-T Invoice Number
Structure</> customizing activity.
The system cannot derive the data to be processed because the
corresponding customizing data is not available. The processing is
stopped.
Make the required settings in ths view.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Caution
An entry in this customizing may require changes of the coding to be
processed in the <ZH>1190</> event.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FKK_ID_PT_SIGN408 indicates that there is an issue with the configuration of the interval for creating ODN (Online Document Number) or SAF-T (Standard Audit File for Tax) invoice numbers. This error typically arises in the context of electronic invoicing or tax reporting, particularly in countries that require compliance with specific electronic invoicing standards.
Cause: The error occurs when the system attempts to generate an invoice number but cannot find a registered interval for the specified document type. This can happen due to several reasons: Missing Configuration: The interval for the document type (ODN/SAF-T) has not been defined in the system. Incorrect Settings: The settings for the number range or interval may be incorrectly configured or not activated. Authorization Issues: The user may not have the necessary authorizations to access or create the required intervals.
Solution: To resolve the error, you can follow these steps: Check Number Range Configuration: Go to the transaction code SNRO (Number Range
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FKK_ID_PT_SIGN407 Interval is not valid to create Digital Signatures and SAF-T Invoice No
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