How To Fix 42601 - Exception &1 when calling function module &2 in &3

SAP Error Message - Details

• Message type: E = Error

• Message class: 42 - Information Workbench

• Message number: 601

• Message text: Exception &1 when calling function module &2 in &3

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 42601 - Exception &1 when calling function module &2 in &3 ?

  The SAP error message "42601 Exception &1 when calling function module &2 in &3" typically indicates that there is an issue with the execution of a function module in the SAP system. This error can arise due to various reasons, and understanding the cause and potential solutions can help in resolving it.
  Causes:
  
  Invalid Input Parameters: The function module may be receiving invalid or unexpected input parameters, leading to an exception.
  Data Type Mismatch: There could be a mismatch between the expected data types of the parameters and the actual data types being passed.
  Authorization Issues: The user executing the function module may not have the necessary authorizations to perform the operation.
  System Configuration Issues: There may be configuration issues in the SAP system that affect the execution of the function module.
  Code Errors: There could be bugs or errors in the ABAP code that calls the function module.
  
  Solutions:
  
  Check Input Parameters: Review the input parameters being passed to the function module. Ensure they are valid and conform to the expected data types.
  Debugging: Use the ABAP debugger to step through the code and identify where the exception is being raised. This can provide insights into the specific cause of the error.
  Authorization Check: Verify that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Review Function Module Documentation: Check the documentation for the function module to understand its expected input and output parameters, as well as any prerequisites.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues with the function module in question.
  Check System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Contact SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE37 (Function Module), SE80 (Object Navigator), and SE11 (Data Dictionary) to analyze the function module and its parameters.
  ABAP Development: If you have access to the ABAP code, reviewing the implementation of the function module can provide insights into potential issues.
  Testing: If possible, create a test environment to replicate the issue without affecting production data.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.