How To Fix 1R579 - An error occurred when calling module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 579

• Message text: An error occurred when calling module &1

What causes this issue?

Exception number &V2& occurred when function module &V1& was called
with document &V4&.

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 1R579 - An error occurred when calling module &1 ?

  The SAP error message 1R579 indicates that there was an error when calling a specific module, denoted by &1. This error can occur in various contexts within SAP, often related to issues in custom code, configuration, or system settings.
  Possible Causes:
  
  Custom Code Issues: If the error occurs in a custom program or enhancement, there may be a bug or an unhandled exception in the code.
  Configuration Errors: Incorrect configuration settings in the relevant module or transaction can lead to this error.
  Missing Authorizations: The user may not have the necessary authorizations to execute the module.
  Data Issues: Invalid or inconsistent data being processed by the module can trigger this error.
  System Performance: If the system is under heavy load, it may not be able to process the request properly, leading to errors.
  
  Solutions:
  
  Check the Error Log: Use transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis) to get more details about the error. This can provide insights into what went wrong.
  Debugging: If you have access to the code, you can debug the program to identify where the error occurs. Look for any unhandled exceptions or logical errors.
  Review Configuration: Ensure that all relevant configurations are correct and complete. This may involve checking settings in SPRO or other configuration transactions.
  User Authorizations: Verify that the user has the necessary authorizations to execute the module. You can check this using transaction SU53 after the error occurs.
  Data Validation: Check the data being processed to ensure it is valid and consistent. This may involve reviewing master data or transactional data.
  System Performance: If the system is under heavy load, consider optimizing performance or scheduling the task during off-peak hours.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches.
  Community Forums: Check SAP Community or other forums for similar issues reported by other users.
  Documentation: Review the documentation for the specific module or transaction to understand its requirements and limitations.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.