How To Fix CMD_BS_MAT_SI028 - Key mapping for & is not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CMD_BS_MAT_SI - Message Class : Product Replication Services Implementation

• Message number: 028

• Message text: Key mapping for & is not maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMD_BS_MAT_SI028 - Key mapping for & is not maintained ?

  The SAP error message CMD_BS_MAT_SI028, which states "Key mapping for & is not maintained," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where key mapping is essential for data integration and processing.
  Cause:
  This error usually arises when there is a missing or incorrect mapping for a specific key (often a material or product key) in the system. The key mapping is necessary for the system to correctly identify and process the relevant data. The specific reasons for this error can include:
  
  Missing Key Mapping: The key (e.g., material number) has not been defined in the mapping table.
  Incorrect Configuration: The configuration settings for key mapping may not be set up correctly.
  Data Transfer Issues: If data is being transferred from one system to another (e.g., from SAP ERP to SAP APO), the mapping may not have been established properly.
  Changes in Master Data: If there have been recent changes to the master data (like material creation or deletion), the mapping may not have been updated accordingly.
  
  Solution:
  To resolve the CMD_BS_MAT_SI028 error, you can follow these steps:
  
  
  Check Key Mapping:
  
  Go to the relevant transaction (e.g., /SAPAPO/KEYMAP or similar) to check if the key mapping for the specified key is maintained.
  If it is missing, you will need to create the necessary mapping.
  
  
  
  Maintain Key Mapping:
  
  If the mapping is not present, you can create it by entering the required details (like the source key and target key) in the mapping table.
  Ensure that the mapping is consistent with the data in both systems (if applicable).
  
  
  
  Review Configuration:
  
  Check the configuration settings related to key mapping in the system. Ensure that all necessary settings are correctly configured.
  
  
  
  Data Consistency:
  
  Ensure that the master data is consistent across systems. If there are discrepancies, you may need to synchronize the data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to key mapping and the specific error message for additional guidance.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/KEYMAP, /SAPAPO/OM, or others that may be related to your specific scenario.
  SAP Notes: Search for SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Master Data Management: Understanding how master data is managed in your SAP environment can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify and resolve the issue related to the CMD_BS_MAT_SI028 error message.