How To Fix IO201 - Serial number & cannot be used here

IO201 - Overview

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 201

• Message text: Serial number & cannot be used here

What causes this issue?

You have entered a <DS:GLOS.3526C31EAFAB52B9E10000009B38F974>serial
number</> already present in the system.

System Response

If this is an error message of type E:
The current serial number status means that you cannot assign the
serial number to the document (for example,
<DS:GLOS.3526C023AFAB52B9E10000009B38F974>material document</>,
<DS:GLOS.3526BEB2AFAB52B9E10000009B38F974>delivery note</>.
If this is an error message of type W:
You can assign the serial number despite the current status, or the
serial number has already been assigned. In this case, you should
verify the status and the causes of the error message.

How to fix this error?

Verify the status of the serial number using the function
<DS:TRAN.IQ03>Display material serial number</>.

Error message extract from SAP system. Copyright SAP SE.

IO201 - Details

• The SAP error message "IO201 Serial number & cannot be used here" typically occurs in the context of inventory management or asset management when dealing with serial numbers. This error indicates that the specific serial number you are trying to use is not valid for the operation you are attempting to perform. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Serial Number: The serial number entered may not exist in the system or may not be valid for the specific material or equipment.
  Status of Serial Number: The serial number may be in a status that does not allow it to be used (e.g., it may be marked as "blocked" or "inactive").
  Wrong Transaction Context: The serial number may not be applicable for the transaction you are trying to execute (e.g., trying to use a serial number for a different material type).
  
  Configuration Issues: There may be configuration settings