How To Fix SY221 - Error in internal function call (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 221

• Message text: Error in internal function call (&)

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 SY221 - Error in internal function call (&) ?

  The SAP error message SY221, which states "Error in internal function call (&)," typically indicates that there is an issue with an internal function or method call within the SAP system. This error can arise from various underlying causes, and resolving it often requires a systematic approach to identify the root cause.
  Possible Causes:
  
  Programming Errors: There may be a bug in the ABAP code or a custom program that is causing the internal function to fail.
  Data Issues: Invalid or unexpected data being processed by the function can lead to this error.
  Configuration Issues: Incorrect configuration settings in the system can lead to failures in function calls.
  System Bugs: There may be known bugs in the version of SAP you are using that could lead to this error.
  Authorization Issues: Lack of proper authorizations for the user executing the function can also trigger this error.
  
  Solutions:
  
  Check the ABAP Code: If you have access to the code, review the relevant ABAP program or function module for any obvious errors or misconfigurations.
  Analyze the Data: Look at the data being processed when the error occurs. Ensure that it meets the expected format and constraints.
  Review Configuration: Check the configuration settings related to the function being called. Ensure that all necessary settings are correctly configured.
  Check SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available.
  Debugging: If you have the necessary permissions, use the ABAP debugger to step through the code and identify where the error occurs.
  Consult with SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user actions, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like ST22 (Dump Analysis) or SLG1 (Application Log) to gather more information about the error.
  System Logs: Review system logs for any additional error messages or warnings that may provide context for the SY221 error.
  User Authorizations: Ensure that the user has the necessary authorizations to execute the function or program that is failing.
  
  By following these steps, you should be able to diagnose and resolve the SY221 error in your SAP system.