How To Fix CN530 - Select one line only

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 530

• Message text: Select one line only

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 CN530 - Select one line only ?

  The SAP error message CN530 ("Select one line only") typically occurs in the context of project management or when working with project structures in SAP, particularly in transactions related to project planning or budgeting. This error indicates that the system expects the user to select only one line item for processing, but multiple lines have been selected instead.
  Cause:
  
  Multiple Selections: The user has selected more than one line item in a list or table where only a single selection is allowed.
  Incorrect Transaction Usage: The transaction being used may only support single line item processing, and the user may not be aware of this limitation.
  User Interface Design: Sometimes, the user interface may allow for multiple selections visually, but the underlying logic only supports single selections.
  
  Solution:
  
  Select a Single Line: Review the list of items and ensure that only one line is selected before proceeding with the action that triggered the error.
  Check Transaction Guidelines: Refer to the documentation or help resources for the specific transaction you are using to understand its selection requirements.
  Use Filters: If you need to work with specific items, consider using filters to narrow down the selection to a single line.
  Review User Permissions: In some cases, user roles and permissions may affect the ability to select multiple items. Ensure that your user role is appropriate for the actions you are trying to perform.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to project management, such as CJ20N (Project Builder), CJ01 (Create Work Breakdown Structure), or CJ02 (Change Work Breakdown Structure).
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific transaction or module you are working with.
  User Training: If this error occurs frequently, consider providing additional training for users on how to navigate the specific transactions and understand selection limitations.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.