How To Fix BXX104 - Function module &1 has too many parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: BXX - ALE Group Messages for the Generating Tool

• Message number: 104

• Message text: Function module &1 has too many parameters

What causes this issue?

The tool has been developed for the interface that is displayed by an
importing and an exporting parameter with a complex data type The
interface of the function module &v1& has too many parameters.

System Response

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

How to fix this error?

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 BXX104 - Function module &1 has too many parameters ?

  The SAP error message BXX104 indicates that a function module has been defined with more parameters than the system can handle. This typically occurs when the number of parameters exceeds the limit set by the SAP system for function modules.
  Cause:
  
  Excessive Parameters: The function module has more parameters than the maximum allowed. This can happen if the function module is designed to handle a large number of inputs or outputs.
  System Limitations: SAP has internal limits on the number of parameters that can be defined for a function module. If these limits are exceeded, the error will be triggered.
  
  Solution:
  
  
  Reduce Parameters: Review the function module and try to reduce the number of parameters. This can be done by:
  
  Combining related parameters into a single structure or table.
  Removing any unnecessary parameters that are not essential for the function's operation.
  Using default values for parameters where applicable.
  
  
  
  Refactor the Function Module: If the function module is too complex, consider breaking it down into smaller, more manageable function modules. Each smaller module can handle a subset of the parameters.
  
  
  Check for Redundant Parameters: Ensure that there are no redundant parameters being passed to the function module. Sometimes, parameters may be duplicated or not needed.
  
  
  Consult Documentation: Review the SAP documentation for any specific limits related to function modules in your version of SAP. This can provide insights into the maximum number of parameters allowed.
  
  
  Testing: After making changes, thoroughly test the function module to ensure that it still performs as expected and that the changes have not introduced any new issues.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error. Sometimes, SAP releases notes that provide guidance on specific issues or enhancements.
  Function Module Documentation: Review the documentation for the specific function module to understand its intended use and parameter requirements.
  Performance Considerations: Keep in mind that having too many parameters can also affect performance. Simplifying the interface can lead to better performance and maintainability.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or consulting with an experienced SAP developer for further assistance.