How To Fix STEP454 - End node &1 &2: Variant without ITEM_INSTANCE cannot be created

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 454

• Message text: End node &1 &2: Variant without ITEM_INSTANCE cannot be created

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 STEP454 - End node &1 &2: Variant without ITEM_INSTANCE cannot be created ?

  The SAP error message "STEP454 End node &1 &2: Variant without ITEM_INSTANCE cannot be created" typically occurs in the context of variant configuration in SAP, particularly when dealing with configurable materials. This error indicates that the system is unable to create a variant because it lacks the necessary item instance data.
  Cause:
  
  Missing Item Instance: The error usually arises when the system expects an item instance to be present for a configurable material, but it is not found. This can happen if the configuration is incomplete or if the item instance was not properly defined.
  Incorrect Configuration: The configuration settings for the material may not be set up correctly, leading to the inability to create a variant.
  Data Inconsistencies: There may be inconsistencies in the master data or configuration profiles that prevent the creation of the variant.
  
  Solution:
  
  Check Configuration Profile: Ensure that the configuration profile for the material is correctly set up. Verify that all required characteristics and dependencies are defined.
  Review Item Instances: Check if the item instances are being created correctly during the configuration process. You may need to debug the configuration process to see where it fails to create the item instance.
  Validate Master Data: Ensure that all relevant master data (materials, characteristics, classes) is correctly maintained and consistent.
  Transaction Codes: Use transaction codes like CU50 (Configuration Simulation) to test the configuration and identify any issues.
  Consult Documentation: Review SAP documentation or notes related to variant configuration for any specific requirements or known issues.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  Related Information:
  
  Variant Configuration: Understand the principles of variant configuration in SAP, including how characteristics, classes, and dependencies work together to create configurable products.
  Debugging: Familiarize yourself with debugging techniques in SAP to trace the execution of the configuration process and identify where the error occurs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.