How To Fix CU870 - Start with "Configuration structure" not possible: select first

SAP Error Message - Details

• Message type: E = Error

• Message class: CU - Variants / configuration messages

• Message number: 870

• Message text: Start with "Configuration structure" not possible: select first

What causes this issue?

When you selected the allowed screens, you did not select <LS>Conf.
structure</>, so you cannot start configuration with this screen.

How to fix this error?

Include <LS>Conf. structure</> in the selection of allowed screens.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CU870 - Start with "Configuration structure" not possible: select first ?

  The SAP error message CU870, which states "Start with 'Configuration structure' not possible: select first," typically occurs in the context of variant configuration in SAP. This error indicates that the system is unable to start the configuration process because it requires a selection of a configuration structure first.
  Cause:
  
  No Configuration Structure Selected: The user has not selected a configuration structure before attempting to start the configuration process.
  Incorrect Navigation: The user may have navigated to the configuration screen without properly selecting the required object or structure.
  Authorization Issues: There may be authorization issues preventing the user from accessing the necessary configuration structures.
  Missing or Incomplete Master Data: The configuration structure may not be defined correctly in the system, or the necessary master data may be missing.
  
  Solution:
  
  Select a Configuration Structure: Ensure that you select a valid configuration structure before attempting to start the configuration. This can usually be done by navigating to the appropriate menu or screen where the configuration structures are listed.
  Check Navigation Path: Make sure you are following the correct navigation path to access the configuration structure. If you are unsure, refer to the documentation or seek assistance from a colleague.
  Review Authorizations: Check if you have the necessary authorizations to access the configuration structures. If not, contact your SAP security administrator to grant the required permissions.
  Verify Master Data: Ensure that the configuration structure is correctly defined in the system. This includes checking that all necessary characteristics and dependencies are set up properly.
  Consult Documentation: If the issue persists, refer to SAP documentation or help resources for further guidance on configuration structures and variant configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CU01 (Create Configuration Profile), CU02 (Change Configuration Profile), and CU03 (Display Configuration Profile) to manage configuration structures.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Consider reviewing training materials or documentation related to variant configuration in SAP to better understand how to work with configuration structures.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.