How To Fix EQ401 - Enter either a logic number or an equipment number for the selection

SAP Error Message - Details

• Message type: E = Error

• Message class: EQ - Cross-IS-U functions

• Message number: 401

• Message text: Enter either a logic number or an equipment number for the selection

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EQ401 - Enter either a logic number or an equipment number for the selection ?

  The SAP error message EQ401 ("Enter either a logic number or an equipment number for the selection") typically occurs in the context of equipment management or when working with technical objects in SAP. This error indicates that the system requires either a logic number (logical number) or an equipment number to proceed with the operation you are trying to perform, but neither has been provided.
  Cause:
  
  Missing Input: The user did not enter a logic number or an equipment number in the relevant fields.
  Incorrect Transaction: The transaction you are trying to execute may require specific identifiers that were not provided.
  Field Configuration: The configuration of the screen or transaction may not be set up to allow for the entry of the required data.
  User Authorization: The user may not have the necessary permissions to view or enter the required data.
  
  Solution:
  
  Enter Required Data: Ensure that you enter either a logic number or an equipment number in the appropriate field before executing the transaction.
  Check Transaction Requirements: Review the documentation or help for the specific transaction you are using to understand what inputs are required.
  Field Configuration: If you have access, check the configuration of the transaction to ensure that the fields for logic number and equipment number are correctly set up.
  User Permissions: If you suspect that user permissions may be an issue, contact your SAP administrator to verify that you have the necessary authorizations to access the required data.
  Consult Help Documentation: Use the SAP help documentation or transaction codes like SE80 or SE11 to check the data model and understand the relationships between the objects.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to equipment management, such as IE01 (Create Equipment), IE02 (Change Equipment), and IE03 (Display Equipment).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message EQ401.
  User Training: If this error is common among users, consider providing training or documentation to help them understand the required inputs for various transactions.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.