How To Fix MC550 - Inconsistency found in fields

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 550

• Message text: Inconsistency found in fields

What causes this issue?

Selection of the tables included in the aggregate (matchcode object,
view, lock object) was changed, e.g. by deleting a secondary table. An
inconsistency occurred in the fields of the aggregate at this time, for
example the fields of a deleted secondary table were not removed.

System Response

How to fix this error?

Go to change mode so that the system can automatically correct the
inconsistency, e.g. by removing the remaining fields of a deleted
secondary table from the list of fields of the aggregate.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC550 - Inconsistency found in fields ?

  The SAP error message MC550, which states "Inconsistency found in fields," typically occurs in the context of inventory management or material management processes. This error indicates that there is a mismatch or inconsistency in the data fields that are being processed, which can lead to issues in reporting or data integrity.
  Causes of MC550 Error
  
  
  Data Inconsistency: The most common cause is that the data in the relevant tables (like material master, inventory records, etc.) is inconsistent. This can happen due to incomplete transactions, failed updates, or manual data entry errors.
  
  
  Configuration Issues: Incorrect configuration settings in the system can lead to inconsistencies in how data is processed or displayed.
  
  
  Missing or Incorrect Master Data: If the material master data or other related master data is missing or incorrectly maintained, it can lead to inconsistencies.
  
  
  Batch Management Issues: If batch management is enabled, inconsistencies in batch data can also trigger this error.
  
  
  Custom Developments: Custom programs or enhancements that manipulate data can inadvertently cause inconsistencies if not properly coded.
  
  
  Solutions to MC550 Error
  
  
  Check Data Consistency: Use transaction codes like MC22 (Display Material Document) or MB51 (Material Document List) to check for inconsistencies in the material documents. You can also use transaction SE16 to directly query the relevant database tables.
  
  
  Run Consistency Checks: Use the transaction MCB1 to run consistency checks for inventory management. This can help identify and rectify inconsistencies.
  
  
  Review Configuration Settings: Check the configuration settings in the IMG (Implementation Guide) to ensure that they are set up correctly.
  
  
  Correct Master Data: Ensure that all relevant master data is complete and accurate. This includes checking the material master, vendor master, and customer master data.
  
  
  Batch Management: If batch management is involved, ensure that all batches are correctly defined and that there are no missing or incorrect batch records.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  Debugging: If the error persists, consider debugging the program or transaction that is causing the error to identify the root cause.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A, MB1B, MB1C, MBRL, and MBST for various inventory transactions.
  SAP Documentation: Review SAP documentation related to inventory management and material management for best practices and troubleshooting steps.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the inconsistency that is causing the MC550 error in your SAP system.