How To Fix S&549 - BAPI &1: Key field &2 for object type &3 is being exported to API method

SAP Error Message - Details

• Message type: E = Error

• Message class: S& -

• Message number: 549

• Message text: BAPI &1: Key field &2 for object type &3 is being exported to API method

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message S&549 - BAPI &1: Key field &2 for object type &3 is being exported to API method ?

  The SAP error message S&549 typically indicates an issue related to the Business Application Programming Interface (BAPI) where a key field is being exported incorrectly. This error can occur when the BAPI is expecting a certain structure or set of key fields, but the data being passed does not meet those expectations.
  Cause:
  
  Missing Key Fields: The key field specified in the error message is not being provided in the data being sent to the BAPI.
  Incorrect Object Type: The object type mentioned may not match the expected type for the BAPI being called.
  Data Structure Mismatch: The structure of the data being passed does not align with what the BAPI expects, leading to a failure in processing.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the specified object type.
  
  Solution:
  
  Check BAPI Documentation: Review the BAPI documentation to ensure that all required key fields are being provided in the correct format.
  Validate Input Data: Ensure that the data being passed to the BAPI includes all necessary key fields and that they are populated correctly.
  Correct Object Type: Verify that the object type being used in the BAPI call is correct and corresponds to the expected type.
  Debugging: Use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to debug the BAPI and see what data is being passed.
  Authorization Check: Ensure that the user executing the BAPI has the necessary authorizations to access the object type in question.
  
  Related Information:
  
  BAPI Structure: Familiarize yourself with the structure of the BAPI you are using, including the input and output parameters.
  SAP Notes: Check for any relevant SAP Notes that may address known issues with the specific BAPI you are using.
  Transaction Codes: Use transaction codes like SE37 to view the BAPI and its parameters, and SE80 to explore related objects.
  Error Logs: Review the application logs (transaction SLG1) for additional context or related error messages that may provide more insight into the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.