How To Fix EG453 - At least one command was entered more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 453

• Message text: At least one command was entered more than once

What causes this issue?

One or more commands have been specified more than once for the same
output and with the same delay times. This is not advisable.

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?

Delete the relevant lines from the command group or change your entries
accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG453 - At least one command was entered more than once ?

  The SAP error message EG453 ("At least one command was entered more than once") typically occurs in the context of transaction processing, particularly when using the SAP GUI or when executing batch input sessions. This error indicates that a command or action has been repeated in a way that is not allowed by the system.
  Cause:
  
  Duplicate Commands: The most common cause of this error is that the same command or transaction has been entered multiple times in a single session or batch input. This can happen if a user inadvertently clicks a button or submits a command more than once.
  Batch Input Sessions: If you are using batch input sessions, the error may arise from the data being processed containing duplicate entries or commands.
  Custom Code: If there are custom programs or scripts that interact with SAP, they may inadvertently send the same command multiple times.
  
  Solution:
  
  Check for Duplicates: Review the commands or transactions you are trying to execute. Ensure that you are not submitting the same command multiple times.
  Modify Batch Input Data: If you are using batch input, check the input data for duplicates and remove any repeated commands.
  Debug Custom Code: If the error is occurring in a custom program, debug the code to identify where the duplicate command is being generated and modify the logic to prevent it.
  Session Management: If you are working with multiple sessions, ensure that commands are not being executed in parallel that could lead to duplication.
  User Training: If this error is common among users, consider providing training on how to properly execute transactions to avoid accidental duplicates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes you are using and their expected behavior to avoid confusion.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  System Logs: Review system logs for additional context or related error messages that may provide more insight into the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the cause of the EG453 error and implement a solution to resolve it.