How To Fix EMDUS423 - Choose a logical register

SAP Error Message - Details

• Message type: E = Error

• Message class: EMDUS -

• Message number: 423

• Message text: Choose a logical register

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EMDUS423 - Choose a logical register ?

  The SAP error message EMDUS423, which states "Choose a logical register," typically occurs in the context of the SAP IS-U (Industry Solution for Utilities) module, particularly when dealing with meter reading or billing processes. This error indicates that the system requires the selection of a logical register for a specific operation, but none has been selected or available.
  Cause:
  
  Missing Logical Register: The logical register may not be defined for the relevant installation or contract.
  Incorrect Configuration: The configuration for the meter reading or billing process may not be set up correctly, leading to the absence of a logical register.
  Data Inconsistency: There may be inconsistencies in the master data related to the installation or the meter.
  User Input Error: The user may have overlooked selecting a logical register when prompted.
  
  Solution:
  
  Check Master Data: Verify that the logical registers are correctly defined in the master data for the relevant installation. This can be done by checking the installation and its associated meter data.
  Define Logical Registers: If no logical registers are defined, you may need to create them in the system. This can typically be done through transaction codes like EEMR (for meter reading) or EEMR1 (for logical registers).
  Review Configuration: Ensure that the configuration settings for the meter reading and billing processes are correctly set up. This may involve checking the settings in the SAP Customizing Implementation Guide (IMG).
  Select Logical Register: If the system prompts for a logical register, ensure that you select one from the available options. If none are available, you may need to create or assign them.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on logical registers in your version of SAP IS-U.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EEMR, EEMR1, and others related to meter management and billing.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and select logical registers.
  Training and Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in IS-U.
  
  By following these steps, you should be able to resolve the EMDUS423 error and proceed with your operations in SAP.