How To Fix MC230 - Key field &1-&2 missing

MC230 - Overview

• Message type: E = Error

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

• Message number: 230

• Message text: Key field &1-&2 missing

What causes this issue?

Matchcode IDs of update type S (matchcode data update synchronous to
database changes, implementation as a separate table in addition to the
master tables) should contain all the key fields of the base tables,
i.e. the primary and secondary tables of the corresponding matchcode
object. Otherwise duplicate records could occur
in the matchcode when changes are made to the database.

System Response

This is a warning. The system continues.

How to fix this error?

If the key fields contained in the matchcode ID still uniquely identify
each data record, no action is necessary. If this is not the
case, you should include the missing key fields in the matchcode ID in
order to avoid duplicate records.

Error message extract from SAP system. Copyright SAP SE.

MC230 - Details

• The SAP error message MC230 ("Key field &1-&2 missing") typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when the system expects certain key fields to be populated but finds them missing. This error can arise in various scenarios, such as during the execution of reports, transactions, or data processing.
  
  Cause:
  The error message MC230 is generally caused by one of the following issues:
  
  
  Missing Key Fields: The key fields that are required for the operation you are trying to perform are not filled in. This could be due to incomplete data entry or missing configuration in the system.
  
  
  Data Inconsistency: There may be inconsistencies in the master data or transactional data that lead to the absence of expected key fields.
  
  
  Custom Development: If there are custom programs or enhancements in your SAP system, they might not be handling certain scenarios correctly, leading to missing key fields.
  
  
  
  Configuration Issues: Incorrect configuration