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