How To Fix /CCIS/TAX509 - Mapping rule is inconsistent! Source Mask contains more then one asterisk

/CCIS/TAX509 - Overview

• Message type: E = Error

• Message class: /CCIS/TAX -

• Message number: 509

• Message text: Mapping rule is inconsistent! Source Mask contains more then one asterisk

Self-Explanatory Message

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/CCIS/TAX509 - Details

• The SAP error message /CCIS/TAX509 Mapping rule is inconsistent! Source Mask contains more than one asterisk typically occurs in the context of tax mapping rules within the SAP system, particularly when dealing with tax codes and their corresponding mappings.
  
  Cause:
  The error indicates that there is an inconsistency in the mapping rule configuration. Specifically, it arises when the source mask (which is used to define patterns for matching) contains more than one asterisk (*). In SAP, the asterisk is a wildcard character that can represent any sequence of characters. However, having multiple asterisks in a single mask can lead to ambiguity in how the system interprets the mapping, which is why the error is triggered.
  
  Solution:
  To resolve this error, you need to review and correct the mapping rule that is causing the issue. Here are the steps you can take:
  
  
  Access the Mapping Configuration:
  
  Go to the relevant transaction code in SAP where the mapping