How To Fix W0023 - The same reference plant already exists for stores

SAP Error Message - Details

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 023

• Message text: The same reference plant already exists for stores

You wish to maintain a reference plant for your stores.

System Response

The same reference plant has already been maintained for
stores in this distribution chain.

How to fix this error?

If you still want to maintain the reference plant, you must first
delete the reference plant TVKOV and then maintain the same plant in
its place.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W0023 - The same reference plant already exists for stores ?

  SAP Error Message:
  
  W0023 - The same reference plant already exists for stores
  
  Cause:
  This warning message typically occurs when you try to assign or create a reference plant for a storage location (store) in SAP, but the system detects that the same reference plant is already assigned to that storage location or another storage location within the same plant.
  In SAP, a reference plant is used in inventory management and procurement processes to refer to another plant from which stock is sourced or managed. The system enforces uniqueness or consistency rules to avoid conflicts or duplication in reference plant assignments.
  
  When does it occur?
  
  When maintaining or creating storage locations in transaction codes like OMIR (Maintain Storage Location Data for Reference Plants).
  When assigning reference plants to storage locations in material master or plant configuration.
  During configuration or master data changes related to plant and storage location assignments.
  
  
  Explanation:
  
  The system checks if the reference plant you are trying to assign to a storage location already exists for that store.
  If the same reference plant is already assigned, SAP issues this warning to prevent duplicate or conflicting assignments.
  This helps maintain data integrity and ensures that the reference plant assignment is unique or consistent as per business rules.
  
  
  Solution:
  
  
  Check Existing Assignments:
  
  Use transaction OMIR or relevant customizing transactions to review the current reference plant assignments for the storage locations.
  Verify if the reference plant you want to assign is already linked to the storage location or another storage location in the same plant.
  
  
  
  Avoid Duplicate Assignments:
  
  If the reference plant is already assigned, decide if you really need to assign it again.
  If the assignment is redundant, you can skip or remove the duplicate entry.
  
  
  
  Correct the Data:
  
  If the assignment is incorrect or outdated, delete or correct the existing reference plant assignment before creating a new one.
  
  
  
  Consult Business Process:
  
  Confirm with business users or process owners whether the reference plant assignment is required or if the current setup is correct.
  
  
  
  Check for Customizing or User Exits:
  
  Sometimes, custom validations or user exits might enforce stricter rules. Review any custom code if applicable.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OMIR - Maintain Storage Location Data for Reference Plants
  MM01/MM02 - Material Master (to check plant/storage location data)
  SPRO - SAP Customizing Implementation Guide (for plant/storage location configuration)
  
  
  
  SAP Notes:
  
  Check SAP Notes related to reference plant and storage location assignments if the issue persists or if you suspect a system bug.
  
  
  
  Business Context:
  
  Reference plants are often used in scenarios like subcontracting, stock transfer, or special procurement types.
  Proper assignment ensures correct stock management and procurement processing.
  
  
  
  
  Summary:
  
  Cause: Attempt to assign a reference plant to a storage location where the same reference plant is already assigned.
  Solution: Verify existing assignments, avoid duplicates, correct or delete redundant entries.
  Check: Use transaction OMIR and consult business process owners.
  
  
  If you provide the exact transaction or scenario where this error occurs, I can help with more specific steps.