How To Fix APO_BAPI006 - Invalid entry combination. Stock type cannot be uniquely assigned

APO_BAPI006 - Overview

• Message type: E = Error

• Message class: APO_BAPI - Message Class for APO BAPIs

• Message number: 006

• Message text: Invalid entry combination. Stock type cannot be uniquely assigned

What causes this issue?

You have tried to create a stock, but no unique stock type could be
determined based on the specified values. To be able to create a stock
type, you must be able to determine whether it is for example for sales
order stock, project stock, supplier stock etc. If not only supplier
data, but also customer data or project data is available, the system
cannot automatically determine the stock type.
For each of the following values, a maximum of one combination may be
filled:
1. Customer data : &V1&
2. Supplier data : &V2&
3. Sales order data : &V3&
4. Project data : &V4&

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?

Check the data that was used to create the stocks, and avoid
contradictory entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APO_BAPI006 - Invalid entry combination. Stock type cannot be uniquely assigned ?

  The SAP error message APO_BAPI006: Invalid entry combination. Stock type cannot be uniquely assigned typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the stock type assignment in the system. This error indicates that the system cannot determine a unique stock type for the given combination of parameters, which may include plant, storage location, material, and other relevant fields.
  Causes:
  
  Missing or Incorrect Configuration: The stock types may not be properly configured in the system, leading to ambiguity in the assignment.
  Data Inconsistencies: There may be inconsistencies in the master data, such as material master records or storage location data.
  Multiple Stock Types: If multiple stock types are defined for the same combination of parameters, the system cannot determine which one to use.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain stock types, leading to this error.
  Custom Logic: If there are