How To Fix FL310 - Parameter & already defined

FL310 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 310

• Message text: Parameter & already defined

What causes this issue?

You used the same name for an export/import parameter and a table
parameter within a function module.

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?

Rename one of the parameters.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL310 - Parameter & already defined ?

  The SAP error message FL310, which states "Parameter & already defined," typically occurs when there is an attempt to define a parameter in a configuration or customization setting that has already been defined in the system. This can happen in various contexts, such as during the configuration of financial parameters, controlling parameters, or other settings within the SAP system.
  
  Cause:
  
  Duplicate Definition: The most common cause is that the parameter you are trying to define has already been defined elsewhere in the system.
  Configuration Errors: There may be errors in the configuration settings where the same parameter is being referenced multiple times.
  Transport Issues: If you are transporting configuration settings from one environment to another (e.g., from development to production), there may be conflicts if the parameter already exists in the target environment.
  
  
  Solution:
  
  Check Existing Parameters: Review the existing parameters in the relevant configuration area to see if the parameter you are trying to define