How To Fix WB2_ASGT154 - TC &1, item &2: Supplying plant cannot be changed. Item has pred or succ.

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2_ASGT - Shadow items ans assignments

• Message number: 154

• Message text: TC &1, item &2: Supplying plant cannot be changed. Item has pred or succ.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2_ASGT154 - TC &1, item &2: Supplying plant cannot be changed. Item has pred or succ. ?

  The SAP error message WB2_ASGT154 indicates that there is an issue with changing the supplying plant for a specific item in a transaction. The message specifically states that the supplying plant cannot be changed because the item has predecessor or successor relationships defined in the system.
  Cause:
  
  Predecessor or Successor Relationships: The item in question is part of a bill of materials (BOM) or a production order where it has been defined as a predecessor or successor to another item. This means that the item is linked to other items in a way that affects production or inventory management.
  Data Integrity: SAP enforces data integrity rules to ensure that changes do not disrupt the relationships and dependencies between items in the system.
  
  Solution:
  
  Review Relationships: Check the predecessor and successor relationships for the item. You can do this by navigating to the relevant BOM or production order and reviewing the item’s dependencies.
  Change Relationships: If you need to change the supplying plant, you may need to first remove or adjust the predecessor or successor relationships. This can involve:
  
  Deleting the BOM or production order that references the item.
  Modifying the relationships to remove the dependency.
  
  
  Use Alternative Methods: If changing the supplying plant is necessary, consider using alternative methods such as:
  
  Creating a new item with the desired supplying plant and transferring the relevant data.
  Adjusting the production or procurement strategy to accommodate the change without altering the existing relationships.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific steps on how to manage BOMs and production orders, as the exact steps may vary based on your SAP version and configuration.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CS03 (Display BOM), CO03 (Display Production Order), or MD04 (Stock/Requirements List) to analyze the item and its relationships.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  User Permissions: Ensure that you have the necessary permissions to make changes to BOMs or production orders, as restrictions may also lead to errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management or production planning.