How To Fix IS401 - Serial number & & still has no status

IS401 - Overview

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 401

• Message text: Serial number & & still has no status

What causes this issue?

You are trying to display a serial number master record that was not
assigned a status when it was created in the 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?

To assign a status to the serial number master record, proceed as
follows:
Select the serial number master record in the change mode.
Save the master record.
RESET N1

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IS401 - Serial number & & still has no status ?

  The SAP error message IS401, which states "Serial number & & still has no status," typically occurs in the context of inventory management or production planning when dealing with serialized materials. This error indicates that the system is unable to find a status for a specific serial number, which can prevent various operations such as goods movements, deliveries, or production confirmations.
  Causes:
  
  
  Missing Status Assignment: The serial number has not been assigned a status in the system. This can happen if the serial number was created but not properly initialized or if it was not assigned to a relevant document (like a delivery or production order).
  
  
  Incorrect Serial Number Entry: The serial number entered may be incorrect or does not exist in the system.
  
  
  Data Inconsistency: There may be inconsistencies in the database, such as missing entries in the serial number master data.
  
  
  System 
  Configuration Issues: The configuration settings for serial number management may not