How To Fix IB_DECO121 - Specify either the equipment number or the material/serial number

IB_DECO121 - Overview

• Message type: E = Error

• Message class: IB_DECO - IB: Messages for IBase

• Message number: 121

• Message text: Specify either the equipment number or the material/serial number

What causes this issue?

You entered an equipment number and a serial number as initial criteria,
but the system can only use one of the two.

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?

Remove one of the entries.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

IB_DECO121 - Details

• The SAP error message IB_DECO121 indicates that the system requires either an equipment number or a material/serial number to proceed with a specific operation, but neither has been provided. This error typically occurs in the context of inventory management, maintenance, or logistics processes where equipment tracking or material identification is essential.
  
  Cause:
  
  Missing Input: The user did not enter either the equipment number or the material/serial number in the relevant fields.
  Incorrect Configuration: The system may be configured in a way that requires one of these identifiers but is not set up correctly to handle the input.
  Data Entry Error: There may be a typographical error or oversight in entering the required information.
  
  
  Solution:
  
  Check Input Fields: Ensure that you have entered either the equipment number or the material/serial number in the appropriate fields. Double-check for any typos or formatting issues.
  Review Transaction Context: Understand the context of the transaction you are performing. Some transactions may require