How To Fix /PM0/3FL_NEWS_CLASS058 - The first letter of USING parameters must be I

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FL_NEWS_CLASS -

• Message number: 058

• Message text: The first letter of USING parameters must be I

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FL_NEWS_CLASS058 - The first letter of USING parameters must be I ?

  The SAP error message /PM0/3FL_NEWS_CLASS058 indicates that there is an issue with the parameters being passed to a function or method in the context of a specific SAP application, likely related to the PM (Plant Maintenance) module or a related area. The error specifically states that "The first letter of USING parameters must be I," which suggests that the parameters being passed are not formatted correctly according to the expected conventions.
  Cause:
  
  Incorrect Parameter Naming: The error typically arises when the parameters in a function module or method are not prefixed correctly. In SAP ABAP, parameters that are intended to be input parameters should start with the letter "I" (for "Input").
  Function Module or Method Definition: If you are calling a function module or method that has been defined with specific parameter naming conventions, and you are not adhering to those conventions, this error will occur.
  Custom Code Issues: If this error arises in custom code, it may be due to a developer not following the naming conventions when defining or calling parameters.
  
  Solution:
  
  Check Parameter Names: Review the function module or method definition to ensure that all input parameters are prefixed with "I". For example, if you have a parameter named my_param, it should be renamed to I_my_param.
  Modify Calling Code: If you are calling a function module or method, ensure that the parameters you are passing match the expected naming conventions. Update your code accordingly.
  Consult Documentation: If you are unsure about the expected parameter names, refer to the SAP documentation or the function module/method documentation for guidance on the correct naming conventions.
  Debugging: If the error persists, consider using the ABAP debugger to step through the code and identify where the incorrect parameter naming is occurring.
  
  Related Information:
  
  SAP ABAP Naming Conventions: Familiarize yourself with the naming conventions used in SAP ABAP, especially for function modules and methods. Input parameters typically start with "I", output parameters with "E", and changing parameters with "C".
  Function Module Documentation: Use transaction SE37 (for function modules) or SE80 (for classes and methods) to view the definitions and documentation of the function modules or methods you are working with.
  SAP Notes and Community: Check SAP Notes or the SAP Community for any known issues or additional guidance related to this error message.
  
  By following these steps, you should be able to resolve the error and ensure that your parameters are correctly defined and passed in your SAP application.