How To Fix OD335 - Cannot change material assignment, it is used in planning.

SAP Error Message - Details

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 335

• Message text: Cannot change material assignment, it is used in planning.

Self-Explanatory Message

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• What is the cause and solution for SAP error message OD335 - Cannot change material assignment, it is used in planning. ?

  The SAP error message OD335, which states "Cannot change material assignment, it is used in planning," typically occurs when you attempt to modify the assignment of a material in a planning-related context, such as in a production order, planning run, or similar scenario. This error indicates that the material is currently being utilized in a planning process, and therefore, changes to its assignment cannot be made until the planning activity is resolved.
  Causes:
  
  Active Planning Activities: The material is currently involved in an active planning run or is being used in a production order, sales order, or other planning-related documents.
  Locked Objects: The material may be locked due to ongoing transactions or processes that are preventing changes.
  Dependencies: There may be dependencies or relationships with other materials or processes that restrict changes to the material assignment.
  
  Solutions:
  
  Check Active Planning Runs: Verify if there are any active planning runs or processes that are using the material. You may need to wait until these processes are completed.
  Release Locks: If the material is locked, identify the transaction or user that has locked it and resolve the lock. This may involve contacting the user or administrator to release the lock.
  Review Related Documents: Check for any related documents (like production orders, purchase orders, etc.) that may be referencing the material. You may need to complete or close these documents before making changes.
  Use Transaction Codes: Utilize transaction codes such as MD04 (Stock/Requirements List) or CO02 (Change Production Order) to check the status of the material and see where it is being used.
  Consult with Planning Team: If you are unsure about the planning activities, consult with your planning or production team to understand the implications of changing the material assignment.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you analyze the situation, such as:
  
  MD04: Stock/Requirements List
  CO02: Change Production Order
  MD03: Display Material Requirements
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message.
  Documentation: Review SAP documentation or help files related to material management and planning to understand the implications of changing material assignments.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.