How To Fix GB102 - Rule & not found

SAP Error Message - Details

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 102

• Message text: Rule & not found

What causes this issue?

A subrule has been specified which does not exist.

System Response

None

How to fix this error?

Check the name of the subrule and create a new one if necessary. The
subrule may belong to a different class.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB102 - Rule & not found ?

  The SAP error message "GB102 Rule & not found" typically occurs in the context of the SAP system when dealing with tax calculations, particularly in the area of VAT (Value Added Tax) or other tax-related configurations. This error indicates that the system is unable to find a specific tax rule that is required for processing a transaction.
  Cause:
  
  Missing Tax Rule: The most common cause of this error is that the tax rule specified in the configuration is missing or has not been defined in the system.
  Incorrect Configuration: There may be an issue with the configuration settings for tax determination, such as incorrect tax codes or missing entries in the tax tables.
  Data Entry Errors: The error can also arise from incorrect data entry in the transaction that references a non-existent tax rule.
  Transport Issues: If the tax rules were recently transported from another system, there may have been an issue during the transport process that caused the rules to not be imported correctly.
  
  Solution:
  
  
  Check Tax Configuration: 
  
  Go to the transaction code OBYZ (for VAT) or OB40 (for tax codes) and verify that the tax rules are correctly defined.
  Ensure that the tax codes and rules are properly set up for the relevant country and transaction type.
  
  
  
  Define Missing Rules:
  
  If the rule is indeed missing, you will need to create it. This can be done in the relevant configuration area (e.g., using transaction codes like OBYZ for VAT or OB40 for tax codes).
  Make sure to define the necessary parameters for the tax rule, including the tax percentage, tax type, and any other relevant details.
  
  
  
  Review Transaction Data:
  
  Check the transaction data that triggered the error. Ensure that the correct tax codes are being used and that all required fields are filled out correctly.
  
  
  
  Transport Check:
  
  If the tax rules were recently transported, check the transport logs to ensure that the transport was successful and that all necessary objects were included.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or help resources for specific guidance on tax configuration for your region and version of SAP.
  
  
  
  Contact SAP Support: 
  
  If the issue persists after checking the configuration and data, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ, OB40, FTXP (for tax codes), and OBD2 (for tax determination).
  SAP Notes: Check for any SAP Notes related to tax configuration and error messages that may provide additional insights or solutions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  
  By following these steps, you should be able to identify the cause of the "GB102 Rule & not found" error and implement a solution to resolve it.