How To Fix CNV_PE_UI_IF018 - Only select single row

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_UI_IF -

• Message number: 018

• Message text: Only select single row

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_UI_IF018 - Only select single row ?

  The SAP error message CNV_PE_UI_IF018: Only select single row typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system expects the user to select only one row from a list or table, but multiple rows have been selected instead.
  Cause:
  
  Multiple Selections: The most common cause of this error is that the user has selected multiple entries in a selection screen or table where only a single entry is allowed.
  User Interface Restrictions: The interface may be designed to process one record at a time, and selecting more than one record violates this design.
  Data Integrity: The system may be enforcing data integrity rules that require a single record to be processed to avoid conflicts or inconsistencies.
  
  Solution:
  
  Select a Single Row: Review the selection you made and ensure that you only select one row. If you have selected multiple rows, deselect the additional rows and try again.
  Check for Filters: If applicable, apply filters to narrow down the selection to a single row that you want to process.
  Review Documentation: Consult the relevant SAP documentation or help files for the specific transaction or tool you are using to understand the expected behavior and any limitations.
  User Training: If this is a recurring issue, consider providing training or guidance to users on how to properly use the interface to avoid selecting multiple rows.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to data migration, such as LTMC (Legacy Transfer Migration Cockpit).
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context or solutions.
  Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support or your internal IT support team for assistance.
  
  By following these steps, you should be able to resolve the CNV_PE_UI_IF018 error and proceed with your data migration or conversion tasks.