How To Fix MC406 - Error from consistency layer (& - &)

MC406 - Overview

• Message type: E = Error

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

• Message number: 406

• Message text: Error from consistency layer (& - &)

What causes this issue?

The standardized interface between the database and the ABAP/4
Dictionary returned an error.

System Response

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

How to fix this error?

There might be a database error. Try to read the data again.

Error message extract from SAP system. Copyright SAP SE.

MC406 - Details

• The SAP error message MC406, which indicates an error from the consistency layer, typically arises in the context of the SAP Material Management (MM) or Production Planning (PP) modules. This error often occurs during the execution of certain transactions or reports that involve data consistency checks, particularly when dealing with material master data, inventory management, or production orders.
  
  Cause:
  The MC406 error can be caused by several factors, including:
  
  
  Data Inconsistencies: There may be inconsistencies in the data stored in the database, such as missing or incorrect entries in the material master, inventory records, or other related tables.
  
  
  
  Configuration Issues: Incorrect configuration settings in the system can lead to inconsistencies, especially if there have been recent changes to the system or updates that were not properly applied.
  
  
  Custom Developments: If there are custom programs or enhancements that interact with standard SAP processes, they may inadvertently cause data inconsistencies.
  
  
  Database Issues: Problems with the underlying database, such