How To Fix CONV189 - &2: Conversion specification &1 not maintained in Customizing table

SAP Error Message - Details

• Message type: E = Error

• Message class: CONV - Messages in Connection with the Converter

• Message number: 189

• Message text: &2: Conversion specification &1 not maintained in Customizing table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CONV189 - &2: Conversion specification &1 not maintained in Customizing table ?

  The SAP error message CONV189 indicates that there is a problem with a conversion specification that has not been maintained in the relevant customizing table. This error typically arises when the system is trying to convert data from one format to another, but it cannot find the necessary conversion specification in the customizing settings.
  Cause:
  The error occurs due to one of the following reasons:
  
  Missing Conversion Specification: The conversion specification (e.g., for currency, unit of measure, etc.) is not defined in the customizing table.
  Incorrect Configuration: The configuration for the specific conversion type may be incomplete or incorrect.
  Data Issues: The data being processed may not match any of the existing conversion specifications.
  
  Solution:
  To resolve the CONV189 error, you can follow these steps:
  
  
  Check Customizing Settings:
  
  Go to the relevant customizing transaction (usually SPRO).
  Navigate to the section where the conversion specifications are maintained. This could be under Financial Accounting, Logistics, or other relevant modules depending on the context of the error.
  Ensure that the conversion specification mentioned in the error message is defined and correctly configured.
  
  
  
  Maintain Missing Specifications:
  
  If the conversion specification is missing, you will need to create it. This involves entering the necessary details such as the conversion type, source and target formats, and any other relevant parameters.
  
  
  
  Review Data:
  
  Check the data that is causing the error. Ensure that it is valid and conforms to the expected formats that the conversion specifications are designed to handle.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the conversion specifications relevant to your module or process.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO, SE11 (Data Dictionary), or SE16 (Data Browser) to view and maintain the relevant tables.
  Customizing Tables: The specific customizing table that holds conversion specifications can vary based on the module and the type of conversion. Common tables include TCURR for currency conversion or T006 for units of measure.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the CONV189 error.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.