How To Fix /CPD/PWS_MP_API044 - Combination of parent key &1 and line item key &2 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /CPD/PWS_MP_API -

• Message number: 044

• Message text: Combination of parent key &1 and line item key &2 is not valid

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CPD/PWS_MP_API044 - Combination of parent key &1 and line item key &2 is not valid ?

  The SAP error message /CPD/PWS_MP_API044 Combination of parent key &1 and line item key &2 is not valid typically occurs in the context of using the SAP Product Lifecycle Management (PLM) or SAP Advanced Planning and Optimization (APO) modules. This error indicates that there is an issue with the relationship between a parent key (which could represent a higher-level object, such as a product or project) and a line item key (which represents a specific component or detail related to that parent).
  Causes:
  
  Invalid Key Combination: The parent key and line item key do not correspond to a valid relationship in the database. This could happen if the line item is not associated with the specified parent.
  Data Integrity Issues: There may be data integrity issues in the database, such as missing entries or incorrect configurations.
  Configuration Errors: The system may not be properly configured to recognize the relationship between the parent and line item.
  Authorization Issues: The user may not have the necessary authorizations to access the specified keys.
  
  Solutions:
  
  Check Key Validity: Verify that both the parent key and line item key are valid and exist in the system. You can do this by querying the relevant tables or using transaction codes to check the entries.
  Review Relationships: Ensure that the line item is correctly associated with the parent key. This may involve checking the configuration settings or relationships in the relevant module (e.g., BOMs in PLM).
  Data Consistency Check: Run data consistency checks or reports to identify any discrepancies in the data that may be causing the issue.
  Authorization Check: Ensure that the user has the necessary permissions to access the data related to the parent and line item keys.
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to use transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), or specific transaction codes related to the module you are working with to investigate the data.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.