How To Fix EN302 - Choose a different transformer

SAP Error Message - Details

• Message type: E = Error

• Message class: EN - IS-U installation/installation structure

• Message number: 302

• Message text: Choose a different transformer

What causes this issue?

You have attempted to allocate a transformer to a meter with measuring
type <LS>indirect</>. One of the following errors occurred:
The transformer is not a <LS>low-voltage current transformer</> or
<LS>low-/medium-voltage current transformer</>.
The transformer is not in a <LS>low-voltage current transformer</>
device group.

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?

Correct the allocation.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EN302 - Choose a different transformer ?

  The SAP error message EN302, which states "Choose a different transformer," typically occurs in the context of SAP's Engineering Change Management (ECM) or when working with the Product Lifecycle Management (PLM) module. This error usually indicates that the system is unable to process a specific transformer (a component or object in the system) due to certain constraints or conditions.
  Causes:
  
  Invalid Transformer Selection: The selected transformer may not be valid for the operation you are trying to perform.
  Configuration Issues: There may be configuration settings that restrict the use of certain transformers.
  Data Inconsistencies: There could be inconsistencies in the data related to the transformer, such as missing or incorrect attributes.
  Authorization Issues: The user may not have the necessary permissions to use the selected transformer.
  System Settings: Certain system settings or parameters may prevent the use of the selected transformer.
  
  Solutions:
  
  Select a Different Transformer: The most straightforward solution is to choose a different transformer that meets the requirements of the operation you are trying to perform.
  Check Configuration Settings: Review the configuration settings related to transformers in your SAP system to ensure that they are set up correctly.
  Validate Data: Ensure that all necessary data related to the transformer is complete and accurate. This may involve checking master data or transactional data.
  Review Authorizations: Check if the user has the necessary authorizations to access and use the selected transformer. If not, consult with your SAP security team to adjust permissions.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the transformer you are working with.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a system bug or a more complex issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting or configuring transformers.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  
  By following these steps, you should be able to identify the cause of the EN302 error and implement a suitable solution.