How To Fix CNV_PE_UI_IF001 - Field &1 is locked and thus cannot be changed

CNV_PE_UI_IF001 - Overview

• Message type: E = Error

• Message class: CNV_PE_UI_IF -

• Message number: 001

• Message text: Field &1 is locked and thus cannot be changed

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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CNV_PE_UI_IF001 - Details

• The SAP error message CNV_PE_UI_IF001 indicates that a specific field (denoted by &1) is locked and cannot be changed. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
  
  Cause:
  
  
  Field Locking: The field in question is locked due to various reasons, such as:
  
  The field is currently being used or modified by another process or user.
  The field is part of a transaction that is not in a state that allows changes.
  The field may be locked due to validation rules or business logic that prevent changes under certain conditions.
  
  
  
  Data Migration Tools: If you are using tools like SAP S/4HANA Migration Cockpit or other data migration tools, certain fields may be locked during the migration process to ensure data integrity.
  
  
  
  Solution:
  
  
  Check for Locks: 
  
  Use transaction code SM12 to check for any existing locks on the field or the related table. If you