How To Fix OE645 - &1: No congruence concerning master data (&2 - &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: OE - IS-Oil: ITA/TPI messages

• Message number: 645

• Message text: &1: No congruence concerning master data (&2 - &3)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OE645 - &1: No congruence concerning master data (&2 - &3) ?

  The SAP error message OE645 indicates that there is a mismatch or inconsistency in the master data related to a particular transaction or process. This error typically arises in the context of order management, production planning, or similar areas where master data consistency is crucial for processing.
  Cause:
  The error message "OE645 &1: No congruence concerning master data (&2 - &3)" usually points to one of the following issues:
  
  
  Inconsistent Master Data: The master data for the materials, resources, or other entities involved in the transaction does not match. This could be due to:
  
  Different units of measure.
  Different valuation classes.
  Missing or incorrect data in the material master or other related master data records.
  
  
  
  Configuration Issues: There may be configuration settings in the system that are not aligned with the master data, leading to inconsistencies.
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been recent changes to the master data, inconsistencies may arise.
  
  
  Missing Dependencies: Certain dependencies or relationships between master data records may not be properly defined or maintained.
  
  
  Solution:
  To resolve the OE645 error, you can take the following steps:
  
  
  Check Master Data: Review the master data for the entities involved in the transaction. Ensure that:
  
  The material master records are complete and consistent.
  The units of measure, valuation classes, and other relevant fields are correctly defined.
  
  
  
  Validate Configuration: Check the configuration settings in the SAP system to ensure they align with the master data. This may involve reviewing settings in the following areas:
  
  Material Management (MM)
  Production Planning (PP)
  Sales and Distribution (SD)
  
  
  
  Data Consistency Checks: Use transaction codes like MM02 (Change Material) or MM03 (Display Material) to check for inconsistencies. You can also run consistency checks using transaction SE38 to execute relevant reports.
  
  
  Review Change Logs: If the issue arose after a recent change, review the change logs to identify what modifications were made to the master data.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or known issues.
  
  
  Engage SAP Support: If the issue persists and you cannot identify the root cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing master data.
  SAP Notes: Search for SAP Notes related to error OE645 in the SAP Support Portal for any patches or updates that may address the issue.
  Master Data Governance: Consider implementing Master Data Governance (MDG) practices to maintain data quality and consistency across the system.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the OE645 error in your SAP system.