How To Fix CFD_REGISTRY_CHECK521 - BADI &1 has no additional data parameter, so you cannot assign class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_REGISTRY_CHECK - Custom Fields: Messages for Registry Check

• Message number: 521

• Message text: BADI &1 has no additional data parameter, so you cannot assign class &2

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 CFD_REGISTRY_CHECK521 - BADI &1 has no additional data parameter, so you cannot assign class &2 ?

  The SAP error message CFD_REGISTRY_CHECK521 indicates that there is an issue with a Business Add-In (BAdI) implementation. Specifically, it states that the BAdI you are trying to use does not have an additional data parameter, which is required for the assignment of a specific class.
  Cause:
  
  BAdI Definition: The BAdI you are trying to implement or use does not have the necessary additional data parameter defined in its interface. This can happen if the BAdI was designed without the expectation of needing additional data or if it was not properly configured.
  Class Assignment: You are attempting to assign a class that requires additional data to a BAdI that does not support it. This mismatch leads to the error.
  
  Solution:
  
  Check BAdI Definition: Review the definition of the BAdI in transaction SE18. Ensure that the BAdI is designed to accept additional data parameters. If it is not, you may need to either modify the BAdI definition (if you have the necessary authorizations) or choose a different BAdI that meets your requirements.
  Modify Implementation: If you are implementing the BAdI, ensure that your implementation does not require additional data parameters or adjust your implementation to align with the BAdI's definition.
  Use Correct Class: Ensure that the class you are trying to assign is compatible with the BAdI. If the class requires additional data, you may need to find or create a different class that does not require such parameters.
  Consult Documentation: Check the SAP documentation or notes related to the specific BAdI for any additional guidance or known issues.
  
  Related Information:
  
  BAdI (Business Add-In): A BAdI is a type of enhancement in SAP that allows you to add custom functionality to standard SAP applications without modifying the original code.
  Transaction Codes: Use transaction SE18 to view BAdI definitions and SE19 to implement BAdIs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.