How To Fix MW098 - A plant can only appear once per item

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 098

• Message text: A plant can only appear once per item

What causes this issue?

A plant occurs several times within an allocation table item.

System Response

The system does not allow this data constellation. The allocation
table is not released.

How to fix this error?

Please correct the plant assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW098 - A plant can only appear once per item ?

  The SAP error message MW098 ("A plant can only appear once per item") typically occurs during the processing of materials in a sales order, purchase order, or inventory management transaction. This error indicates that the same plant has been assigned multiple times for a single item in the document, which is not allowed in SAP.
  Cause:
  
  Duplicate Plant Entries: The most common cause of this error is that the same plant has been entered more than once for the same material item in the document.
  Data Entry Error: During manual entry, users may inadvertently input the same plant multiple times.
  System Configuration: In some cases, the configuration of the document type or item category may lead to this error if not set up correctly.
  
  Solution:
  
  Check the Document: Review the document (sales order, purchase order, etc.) where the error occurred. Look for the item that is causing the issue and check if the same plant is listed more than once.
  Remove Duplicate Entries: If you find that the same plant is listed multiple times, remove the duplicates so that each plant appears only once for each item.
  Validate Data Entry: Ensure that users are trained to enter data correctly to avoid duplicates in the future.
  Review Configuration: If the issue persists or occurs frequently, review the configuration settings related to the document type and item category to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: You may encounter this error in various transactions, such as VA01 (Create Sales Order), ME21N (Create Purchase Order), or MIGO (Goods Movement).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Providing training to users on how to correctly enter data in SAP can help minimize the occurrence of this error.
  Debugging: If you have access to technical support, debugging the transaction can provide insights into why the error is occurring and help identify any underlying issues.
  
  By following these steps, you should be able to resolve the MW098 error and prevent it from occurring in the future.