How To Fix COIB004 - Enter a material number and a serial number

SAP Error Message - Details

• Message type: E = Error

• Message class: COIB - Message for Serial Number Assignment Tool

• Message number: 004

• Message text: Enter a material number and a serial number

What causes this issue?

You have not filled the material number and serial number fields. The
assignment tool can, however, only accept uniquely identified
serialized materials.

System Response

The function is not executed.

How to fix this error?

Enter a material number and serial number that identifies a serialized
material that already exists in plant maintenance.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COIB004 - Enter a material number and a serial number ?

  The SAP error message COIB004, which states "Enter a material number and a serial number," typically occurs in the context of inventory management or production processes where serial numbers are required for specific materials. This error indicates that the system expects both a material number and a corresponding serial number to be entered, but one or both of these fields are missing.
  Cause:
  
  Missing Input: The user has not entered a material number or a serial number in the relevant transaction.
  Incorrect Transaction: The transaction being executed may require serial number tracking, but the user is not providing the necessary details.
  Configuration Issues: The material may not be set up correctly in the system to require serial numbers, or the serial number profile may not be assigned properly.
  User Authorization: The user may not have the necessary permissions to view or enter serial numbers for the material.
  
  Solution:
  
  Enter Required Information: Ensure that both the material number and the serial number are entered in the appropriate fields. Double-check for any typos or errors in the input.
  Check Material Master Data: Verify that the material in question is set up to require serial numbers. This can be done by checking the material master data in the SAP system.
  Review Serial Number Profile: Ensure that the correct serial number profile is assigned to the material. This profile dictates how serial numbers are managed for that material.
  User Permissions: Confirm that the user has the necessary authorizations to enter and manage serial numbers for the material.
  Consult Documentation: If the issue persists, refer to SAP documentation or consult with your SAP support team for further troubleshooting.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to inventory management, production orders, or goods movements (e.g., MIGO, CO01, etc.).
  Serial Number Management: Understanding how serial number management works in SAP can help in resolving issues related to this error. Familiarize yourself with the relevant configuration settings in the material master and serial number profiles.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling serial numbers.
  
  If the problem continues after following these steps, it may be beneficial to engage with your SAP support team or consult SAP community forums for more specific assistance.