How To Fix APO_BAPI096 - Data has not been entered in all required fields for the key assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: APO_BAPI - Message Class for APO BAPIs

• Message number: 096

• Message text: Data has not been entered in all required fields for the key assignment

What causes this issue?

It was not possible to assign an external key to internal keys. This
may have the following causes:
An external order number should be assigned to an internal order GUID:
No values were entered for the external order number
No values were entered for the internal order GUID
An external item and row number should be assigned to an internal
schedule line GUID
No values were entered for the external item number
No values were entered for the external schedule line number
No values were entered for the internal item GUID

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

System Response

How to fix this error?

Check whether one of the error causes mentioned above exists, and
eliminate the problem.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APO_BAPI096 - Data has not been entered in all required fields for the key assignment ?

  The SAP error message APO_BAPI096 indicates that there are required fields that have not been filled in when trying to execute a BAPI (Business Application Programming Interface) related to Advanced Planning and Optimization (APO). This error typically occurs when you are trying to create or update data in APO, and some mandatory fields are missing.
  Cause:
  The error is caused by one or more of the following reasons:
  
  Missing Required Fields: Certain fields that are mandatory for the operation you are trying to perform have not been populated.
  Incorrect Data Structure: The data structure being passed to the BAPI may not conform to the expected format, leading to missing fields.
  Configuration Issues: There may be configuration settings in the APO system that require additional fields to be filled in.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Required Fields: Review the documentation for the specific BAPI you are using to identify all required fields. Ensure that all mandatory fields are populated with valid data.
  
  
  Validate Input Data: Ensure that the data being passed to the BAPI is complete and adheres to the expected data types and formats.
  
  
  Use Transaction Codes: If you are using a transaction code to perform the operation, check the screen for any highlighted fields that indicate missing information.
  
  
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the BAPI to see what data is being passed and identify which fields are missing.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates related to the BAPI you are using. There may be known issues or patches that address this error.
  
  
  Testing: After making the necessary changes, test the BAPI again to ensure that the error is resolved.
  
  
  Related Information:
  
  BAPI Documentation: Refer to the SAP Help Portal for detailed documentation on the specific BAPI you are using, including required fields and examples.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Transaction Codes: Familiarize yourself with relevant transaction codes in APO, such as /SAPAPO/SDP94 for planning or /SAPAPO/MC90 for monitoring, which may help in understanding the context of the data you are working with.
  
  By following these steps, you should be able to identify and resolve the cause of the APO_BAPI096 error.