How To Fix LTBN021 - Node &1 is not valid

LTBN021 - Overview

• Message type: E = Error

• Message class: LTBN - Bin Management's messages

• Message number: 021

• Message text: Node &1 is not valid

What causes this issue?

The chosen node is not valid due to at least one of the following
reasons:
It is not assigned to an intermediate zone (a zone other than a storage
zone).
It is not an entry node to an intermediate zone.
The node is blocked.

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

System Response

How to fix this error?

Do one of the following:
Choose a new destination.
Ask the warehouse manager to check if the node is blocked and, if it
is, to un-block it. If the node is not blocked, contact your system
administrator.

Procedure for System Administrators

Assign the node to an intermediate zone in IMG activity
<DS:SIMG.SIMG_LTBN001>Define Nodes and Entries/Exits to/from Zones</>.
If the node is already assigned to an intermediate zone, ensure that it
is an entry node to the zone.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LTBN021 - Node &1 is not valid ?

  The SAP error message LTBN021, which states "Node &1 is not valid," typically occurs in the context of the SAP Logistics Execution (LE) module, particularly when dealing with warehouse management or inventory management processes. This error indicates that the system is unable to recognize or validate the specified node (or location) in the warehouse structure.
  Causes:
  
  Invalid Node Reference: The node specified in the transaction or process does not exist in the system. This could be due to a typo or an incorrect node ID.
  Node Not Activated: The node may exist but is not activated or configured properly in the system.
  Master Data Issues: There may be issues with the master data related to the warehouse or storage locations.
  Transport or 
  Configuration Issues: If the system has recently undergone changes, such as transports or configuration updates, the node may not have been included or properly set up.
  
  Solutions:
  
  Check Node ID: Verify the node ID specified