How To Fix APO_BAPI172 - Log. system & for APO not permitted when using external number assignment

APO_BAPI172 - Overview

• Message type: E = Error

• Message class: APO_BAPI - Message Class for APO BAPIs

• Message number: 172

• Message text: Log. system & for APO not permitted when using external number assignment

What causes this issue?

The logical system &V1& was entered to create orders with external
number assignment. This logical system is the logical system to which
the SCM system is assigned.
External number assignment and the logical system entered are used to
determine from which external system an order was transferred to the SCM
system or to which external system an order belongs. For this reason,
the logical system entered here must not be the logical system of the
SCM system.
For more information, see the documentation for the parameters of the
<DS:DE.BAPIAPOLOGSYS>logical system</>.

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 logical system.

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 APO_BAPI172 - Log. system & for APO not permitted when using external number assignment ?

  The SAP error message APO_BAPI172 typically indicates an issue related to the use of external number assignment in the Advanced Planning and Optimization (APO) module. This error can occur when there is a mismatch or misconfiguration in the number assignment settings for the APO system.
  Cause of the Error
  
  
  External Number Assignment Configuration: The error often arises when the system is configured to use external number assignment, but the necessary settings or authorizations are not correctly configured.
  
  
  Authorization Issues: The user may not have the required authorizations to perform the action that is being attempted, especially if it involves creating or modifying objects in APO.
  
  
  Master Data Issues: There may be inconsistencies or missing data in the master data that is required for the operation being performed.
  
  
  System Settings: The system settings for number ranges or number assignment may not be properly defined or may conflict with the current operation.
  
  
  Solution
  
  
  Check Number Assignment Settings:
  
  Go to the