How To Fix WW099 - Deletion not possible. Allocation still exists for plant &

WW099 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 099

• Message text: Deletion not possible. Allocation still exists for plant &

What causes this issue?

The material group is assigned to at least this plant. Materials of
this material group are also sold using the hierarchy material. For
this reason, it cannot be deleted.

How to fix this error?

Delete the assignment of the value-only material for all plant/material
group relationships.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW099 - Deletion not possible. Allocation still exists for plant & ?

  The SAP error message WW099, which states "Deletion not possible. Allocation still exists for plant &," typically occurs when you attempt to delete a material or a related object (like a storage location or a plant) that still has allocations or assignments in the system. This can happen in various contexts, such as when trying to delete a material master record, a storage location, or a plant that is still being referenced in other transactions or data.
  
  Cause:
  
  Existing Allocations: The material or object you are trying to delete is still allocated to certain transactions, such as stock movements, purchase orders, sales orders, or production orders.
  Open Documents: There may be open documents (like purchase orders or sales orders) that reference the material or object.
  Stock on Hand: If there is stock on hand in the plant or storage location, the system will prevent deletion until the stock is cleared.
  Dependencies: Other dependent objects or