How To Fix MD366 - Not possible to delete storage location &3. Used by material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 366

• Message text: Not possible to delete storage location &3. Used by material &2

What causes this issue?

Storage location &v3& is being used by MRP area &v1& of material &v2&.
It is being used in the MRP 2 view, in the 'production storage
location' or 'external procurement storage location' fields.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose another production or external procurement storage location for
material &v2& and then try and delete the storage location for this MRP
area.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MD366 - Not possible to delete storage location &3. Used by material &2 ?

  The SAP error message MD366 indicates that a specific storage location (denoted as &3) cannot be deleted because it is still being used by a material (denoted as &2). This typically occurs in the context of inventory management or materials management within SAP.
  Cause:
  The error occurs when you attempt to delete a storage location that is still associated with one or more materials. This association can be due to various reasons, such as:
  
  Stock Exists: There may be stock present in the storage location that needs to be cleared before deletion.
  Open Transactions: There could be open transactions (like purchase orders, sales orders, or stock transfers) that reference the storage location.
  Material Master Data: The material master data may still reference the storage location, preventing its deletion.
  
  Solution:
  To resolve the MD366 error, you can follow these steps:
  
  
  Check Stock Levels:
  
  Use transaction code MMBE to check if there is any stock in the storage location. If stock exists, you will need to either transfer it to another location or perform a stock adjustment.
  
  
  
  Review Open Transactions:
  
  Check for any open purchase orders, sales orders, or other transactions that might be using the storage location. You can use transaction codes like ME2L (for purchase orders) or VA05 (for sales orders) to identify any dependencies.
  
  
  
  Update Material Master:
  
  If the storage location is still referenced in the material master, you may need to update the material master data. Use transaction code MM02 to modify the material and remove the storage location from the relevant views.
  
  
  
  Delete Stock:
  
  If applicable, perform a stock transfer or stock adjustment to clear any remaining stock from the storage location.
  
  
  
  Retry Deletion:
  
  Once you have ensured that there are no dependencies on the storage location, you can attempt to delete it again using transaction code OML2 or the relevant transaction for managing storage locations.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MMBE: Stock Overview
  MM02: Change Material Master
  ME2L: Purchase Orders by Vendor
  VA05: List of Sales Orders
  OML2: Change Storage Location
  
  
  
  SAP Notes: Check SAP Notes for any specific updates or patches related to this error message, as there may be additional guidance or fixes provided by SAP.
  
  
  Documentation: Refer to SAP Help documentation for detailed information on managing storage locations and material master data.
  
  
  By following these steps, you should be able to identify the cause of the MD366 error and take the necessary actions to resolve it.