How To Fix EM020 - No generation indicator has been set for the specified structure

EM020 - Overview

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 020

• Message text: No generation indicator has been set for the specified structure

What causes this issue?

The structure will be not be taken into account at the next report
generation.

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?

Set the generation indicator for the structure so that the conversion
rules are taken into account.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM020 - No generation indicator has been set for the specified structure ?

  The SAP error message EM020, which states "No generation indicator has been set for the specified structure," typically occurs in the context of SAP's data dictionary or when working with structures in ABAP programs. This error indicates that the system cannot find a generation indicator for the specified structure, which is necessary for the generation of the corresponding data objects.
  
  Cause:
  
  Missing Generation Indicator: The structure in question does not have a generation indicator set. This can happen if the structure was created or modified but not properly activated.
  Inconsistent Data Dictionary: There may be inconsistencies in the data dictionary, possibly due to changes made without proper activation.
  Transport Issues: If the structure was transported from one system to another, it might not have been activated in the target system.
  
  
  Solution:
  
  
  Activate the Structure: 
  
  Go to the Data Dictionary (transaction SE11).
  Enter the name of the structure that is causing the error.
  Check if the structure is active.