How To Fix SIC_NORM_ENGINE109 - Interface variable of basic rule type does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SIC_NORM_ENGINE - Messages from normalization engine

• Message number: 109

• Message text: Interface variable of basic rule type does not exist

What causes this issue?

Variable &V4& was specified for basic rule &V2& (rule type &V1&, call
number &V3&) in the assignment of the variables of the conditional rule
to the variables of the basic rules. This basic rule type does not
exist.

System Response

The conditional rule is inconsistent and cannot be executed.

How to fix this error?

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

Procedure for System Administrators

Correct the conditional rule.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIC_NORM_ENGINE109 - Interface variable of basic rule type does not exist ?

  The SAP error message "SIC_NORM_ENGINE109: Interface variable of basic rule type does not exist" typically occurs in the context of SAP's normalization engine, which is used in various applications, including data quality management and data integration processes. This error indicates that the system is trying to access an interface variable that has not been defined or does not exist in the context of the rule being executed.
  Cause:
  
  Missing Configuration: The interface variable that the rule is trying to access has not been defined in the system.
  Incorrect Rule Definition: The rule may be incorrectly defined, referencing a variable that is not part of the expected input or output.
  Transport Issues: If the rules or configurations were transported from one system to another (e.g., from development to production), there may have been issues during the transport process that led to missing definitions.
  Version Mismatch: There may be a mismatch between the version of the rule and the underlying data model or interface definitions.
  
  Solution:
  
  Check Rule Definitions: Review the rule that is causing the error to ensure that all interface variables are correctly defined and exist in the system.
  Define Missing Variables: If the variable is indeed missing, you will need to create or define it in the relevant configuration settings.
  Validate Transport: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were included and correctly transported.
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the expected interface variables and their definitions.
  Debugging: If you have access to debugging tools, you can trace the execution of the rule to identify where the error is occurring and gather more context about the missing variable.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and version.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.