How To Fix >0174 - Formal error: Invalid calling sequence for function modules

SAP Error Message - Details

• Message type: E = Error

• Message class: >0 - General Basis texts

• Message number: 174

• Message text: Formal error: Invalid calling sequence for function modules

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 >0174 - Formal error: Invalid calling sequence for function modules ?

  The SAP error message 0174 ("Formal error: Invalid calling sequence for function modules") typically indicates that there is an issue with how a function module is being called in your ABAP code. This error can arise from several causes, and understanding these can help you troubleshoot and resolve the issue.
  Causes:
  
  Incorrect Parameter Sequence: The parameters being passed to the function module do not match the expected sequence defined in the function module's interface.
  Missing Parameters: Required parameters are not being provided when calling the function module.
  Excess Parameters: Extra parameters that are not defined in the function module's interface are being passed.
  Incorrect Data Types: The data types of the parameters being passed do not match the expected data types in the function module.
  Calling a Function Module in an Incorrect Context: Some function modules may have specific requirements regarding the context in which they can be called (e.g., certain function modules can only be called in specific transaction types).
  
  Solutions:
  
  Check Function Module Interface: Review the function module's interface in transaction SE37 or SE80. Ensure that you are passing the correct parameters in the correct order.
  Verify Parameter Types: Make sure that the data types of the parameters you are passing match those expected by the function module.
  Review Documentation: If available, check the documentation for the function module to understand its requirements and constraints.
  Debugging: Use the ABAP debugger to step through the code and inspect the values and types of the parameters being passed to the function module.
  Consult SAP Notes: Sometimes, specific function modules may have known issues or peculiarities. Check the SAP Notes for any relevant information or patches.
  
  Related Information:
  
  Transaction Codes: Use transaction codes SE37 (Function Builder) or SE80 (Object Navigator) to explore and analyze the function module.
  ABAP Documentation: Refer to the ABAP documentation for guidelines on calling function modules and handling parameters.
  SAP Community: Engage with the SAP Community forums for insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.