How To Fix EEWMSERVICE420 - Selection by (only) device category is not possible

EEWMSERVICE420 - Overview

• Message type: E = Error

• Message class: EEWMSERVICE - IS-U Work Management: Service

• Message number: 420

• Message text: Selection by (only) device category is not possible

What causes this issue?

You want to select notifications or orders according to IS-U device
category. However, you have not specified any further IS-U selection
criteria. For performance reasons, this selection method is not
supported.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE EN

How to fix this error?

Specify additional IS-U selection criteria.

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.

EEWMSERVICE420 - Details

• The SAP error message EEWMSERVICE420 indicates that a selection based solely on the device category is not possible. This error typically arises in the context of SAP's Energy Data Management or similar modules where device categories are used to filter or select data.
  
  Cause:
  The error usually occurs due to one of the following reasons:
  
  Insufficient Selection Criteria: The system requires more than just the device category to perform the selection. If only the device category is specified without additional criteria (like location, status, or other relevant parameters), the system cannot process the request.
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict the selection based on device categories alone.
  Data Integrity Issues: There might be issues with the data in the database, such as missing or inconsistent entries related to the device category.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Add Additional Selection Criteria: Modify your selection criteria to include more