How To Fix EM042 - Select a substructure of the automation data

EM042 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 042

• Message text: Select a substructure of the automation data

What causes this issue?

The chosen action cannot be performed because you did not select any of
the automation data.

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?

Select part of the automation data and then start the function again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM042 - Select a substructure of the automation data ?

  The SAP error message EM042, which states "Select a substructure of the automation data," typically occurs in the context of working with automation data in SAP, particularly in modules related to production planning, maintenance, or similar areas where automation data structures are utilized.
  
  Cause:
  The error usually arises when the user attempts to perform an action that requires a specific substructure of automation data to be selected, but no valid substructure has been chosen. This can happen due to:
  
  No Selection Made: The user has not selected any substructure from the available options.
  Invalid Selection: The selected substructure is not valid for the operation being performed.
  Data 
  Configuration Issues: There may be issues with the configuration of the automation data in the system, leading to the unavailability of substructures.
  
  
  Solution:
  To resolve the EM042 error, you can follow these steps:
  
  
  Select a Valid Substructure:
  
  Ensure that you are selecting a valid substructure from the list of available automation data.