How To Fix MILL_CPP777 - Caution: Do not call this function module

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_CPP - Messages for converting planned order into purchase order

• Message number: 777

• Message text: Caution: Do not call this function module

What causes this issue?

Function module MILL_CPP_PLAF_TO_PURCH_ORD_CNV is obsolete and may no
longer be used.
SAP is <ZH>not</> maintaining this module.

System Response

The system terminates the function.

How to fix this error?

Do not call this function module.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_CPP777 - Caution: Do not call this function module ?

  The SAP error message MILL_CPP777 with the caution "Do not call this function module" typically indicates that a certain function module is not intended to be called directly by users or developers. This is often due to the function module being part of internal SAP processes or being designed for specific internal use cases.
  Cause:
  
  Internal Functionality: The function module is likely designed for internal SAP processes and is not meant for external calls. Calling it directly can lead to unexpected behavior or system instability.
  Incorrect Usage: The function module may be called inappropriately within a custom program or enhancement, leading to this warning.
  Versioning Issues: The function module may have been deprecated or replaced in newer versions of SAP, and calling it could lead to compatibility issues.
  
  Solution:
  
  Avoid Direct Calls: Do not attempt to call this function module directly in your code. Instead, look for alternative function modules or BAPIs (Business Application Programming Interfaces) that are intended for public use.
  Check Documentation: Review the SAP documentation or the function module's details in the SAP system (using transaction SE37) to understand its intended use and any alternatives.
  Use Standard APIs: If you need to perform a specific task, search for standard APIs or function modules that provide the required functionality without triggering this warning.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates regarding this function module. There may be specific guidance or patches available.
  Contact SAP Support: If you are unsure about the implications of this error or need further assistance, consider reaching out to SAP Support for clarification and guidance.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the function module in the SAP system using transaction SE37. This will provide insights into its parameters, expected behavior, and any restrictions.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Best Practices: Familiarize yourself with best practices for developing in SAP, including how to properly use function modules and APIs to avoid such warnings.
  
  By following these guidelines, you can avoid issues related to the MILL_CPP777 error and ensure that your SAP development work adheres to best practices.