How To Fix FDT_CORE873 - No ruleset registered on the function

FDT_CORE873 - Overview

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 873

• Message text: No ruleset registered on the function

What causes this issue?

For the current function, the system has determined that there is no
ruleset assigned. Since the function's execution mode is set to 'event
mode', this means that executing the function has no effect.
Note that this is not necessarily an issue. Although executing an empty
function does not make much sense, it can still be useful to provide
such a function. For example, the function may serve as a placeholder
that helps preventing the system from crashing in case there are already
programs in place calling the function. Also, under certain
circumstances, the function may be useless in the development system but
required in follow-on systems in your system landscape.

System Response

The object can be activated.

How to fix this error?

Make sure that the ruleset assignments are missing intentionally. In
case it turns out that rulesets should have been assigned, or that the
execution mode is wrong, take the necessary steps to correct the issue.

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 FDT_CORE873 - No ruleset registered on the function ?

  The SAP error message FDT_CORE873: No ruleset registered on the function typically occurs in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transfer (FDT) framework. This error indicates that the system is unable to find a ruleset associated with the function you are trying to execute. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Ruleset: The function you are trying to use does not have an associated ruleset defined in the system.
  
  Configuration Issues: There may be a misconfiguration in the FDT settings or the ruleset might not have been activated properly.
  Transport Issues: If the ruleset was recently transported from another system, it may not have been properly imported or activated in the target system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to access the ruleset.
  
  Solutions:
  
  
  Check Ruleset Configuration:
  
  Go to the FDT configuration and verify that the ruleset is correctly defined