How To Fix CL454 - You can only make one entry here

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 454

• Message text: You can only make one entry here

What causes this issue?

You have entered a transaction and a report. However, you can only make
one entry here.

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?

Remove one of the entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL454 - You can only make one entry here ?

  The SAP error message CL454, which states "You can only make one entry here," typically occurs in the context of certain fields or parameters in SAP where only a single entry is allowed. This error is often encountered in various transactions or configurations where the system expects a unique value or a single selection.
  Cause:
  
  Multiple Entries: The most common cause of this error is that the user is trying to enter multiple values in a field that is designed to accept only one value. This can happen in various scenarios, such as when entering data in a configuration screen, transaction, or during data entry in a specific module.
  Incorrect Field Usage: The user may be using a field that is not intended for multiple entries, such as a key field or a unique identifier.
  System Configuration: In some cases, the system configuration may restrict certain fields to a single entry due to business rules or data integrity constraints.
  
  Solution:
  
  Check Field Requirements: Review the field where the error occurs and ensure that you are only entering a single value. If you have multiple values, consider whether you need to consolidate them or choose the most relevant one.
  Clear Unnecessary Entries: If there are any pre-filled values or selections that you do not need, clear them out before making your entry.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or module you are working with to understand the expected input for that field.
  User Training: If this error is common among users, consider providing training or guidance on how to properly enter data in the affected fields.
  Contact Support: If you believe the error is occurring due to a system issue or if you are unsure how to proceed, contact your SAP support team or system administrator for assistance.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes depending on the context (e.g., MM, SD, FI).
  Field Attributes: Understanding the attributes of the fields in question (e.g., whether they are mandatory, optional, or unique) can help prevent this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are using.
  
  By following these steps, you should be able to resolve the CL454 error and proceed with your SAP tasks.