How To Fix HUGENERAL156 - Some of the HUs that are to be read could not be found or assigned

HUGENERAL156 - Overview

• Message type: E = Error

• Message class: HUGENERAL - Handling Units - Packing

• Message number: 156

• Message text: Some of the HUs that are to be read could not be found or assigned

What causes this issue?

The system is to read handling units that are part of a hierarchy from
the database. The rest of the handling units in this hierarchy are
either blocked or do not exist.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

HUGENERAL156 - Details

• The SAP error message HUGENERAL156 indicates that some Handling Units (HUs) that you are trying to read or process could not be found or assigned in the system. This error typically occurs in scenarios involving warehouse management, inventory management, or logistics processes where handling units are used to manage goods.
  Causes:
  
  Non-Existent Handling Units: The HUs you are trying to access may not exist in the system. This could be due to incorrect HU numbers or the HUs being deleted or archived.
  Incorrect Assignment: The HUs may not be properly assigned to the relevant document or process (e.g., delivery, shipment).
  Status Issues: The HUs might be in a status that does not allow them to be processed (e.g., blocked, in transit).
  Data Inconsistencies: There may be inconsistencies in the database or issues with the data integrity related to the handling units.
  Authorization Issues: The user may not have the necessary permissions to access or process the