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

1R579 - Overview

• 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