How To Fix QT418 - User fields will deviate if changed

QT418 - Overview

• Message type: E = Error

• Message class: QT - QM: Inspection during production (with inspection points)

• Message number: 418

• Message text: User fields will deviate if changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QT418 - User fields will deviate if changed ?

  The SAP error message QT418 ("User fields will deviate if changed") typically occurs in the context of SAP's Quality Management (QM) module, particularly when dealing with inspection lots and quality notifications. This message indicates that there is a potential inconsistency or conflict between user-defined fields (custom fields) and the standard data in the system.
  
  Cause:
  The error arises when there is an attempt to change user-defined fields in a way that would lead to a deviation from the expected or standard values. This can happen in various scenarios, such as:
  
  Modification of Inspection Lot Data: If you are trying to change user-defined fields in an inspection lot that has already been processed or has existing data.
  Inconsistent Data: If the user fields are not aligned with the standard data or if there are dependencies that are not being respected.
  Custom Development: If there are custom developments or enhancements that are not properly handling the user