How To Fix MI100 - The "Lock-relevant" indicator may not be cancelled for field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MI - Customizing for the Material Master

• Message number: 100

• Message text: The "Lock-relevant" indicator may not be cancelled for field &1

What causes this issue?

You have tried to cancel the <LS>Lock-relevant</> indicator for the
field &V1& in a production client. This is not allowed in a production
system where materials exist that have already been locked.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MI100 - The "Lock-relevant" indicator may not be cancelled for field &1 ?

  The SAP error message MI100 indicates that there is an issue with the "Lock-relevant" indicator for a specific field in the context of inventory management or material management. This error typically arises when there is an attempt to change or cancel the "Lock-relevant" status of a field that should not be modified.
  Cause:
  The error occurs when:
  
  You are trying to change the "Lock-relevant" indicator for a field that is not allowed to be modified.
  The field in question is critical for maintaining data integrity and consistency in the system.
  There may be a configuration issue or a misunderstanding of the field's purpose in the system.
  
  Solution:
  To resolve the MI100 error, consider the following steps:
  
  
  Check Field Configuration: Review the configuration settings for the field in question. Ensure that the "Lock-relevant" indicator is set correctly according to your business requirements.
  
  
  Review User Permissions: Ensure that the user attempting to make the change has the necessary permissions to modify the field. Sometimes, restrictions are in place to prevent unauthorized changes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources to understand the implications of changing the "Lock-relevant" indicator for the specific field.
  
  
  Use Transaction Codes: If applicable, use transaction codes like OMI1 (for inventory management) to check the settings related to the field and make necessary adjustments.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  Lock-relevant Fields: These fields are critical for ensuring that data is not changed while it is being processed by other transactions. Understanding which fields are lock-relevant in your specific context is essential.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling lock-relevant indicators.
  Testing Changes: Always test changes in a development or quality assurance environment before applying them to production to avoid unintended consequences.
  
  By following these steps, you should be able to identify the cause of the MI100 error and implement a suitable solution.