How To Fix FMCA_ISR_EN519 - A key field has to be set as a read only input field

FMCA_ISR_EN519 - Overview

• Message type: E = Error

• Message class: FMCA_ISR_EN -

• Message number: 519

• Message text: A key field has to be set as a read only input field

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_ISR_EN519 - A key field has to be set as a read only input field ?

  The SAP error message FMCA_ISR_EN519 indicates that a key field in a form or application is not set as read-only when it should be. This typically occurs in the context of Interactive Forms or Web Dynpro applications where certain fields are expected to be immutable (read-only) to ensure data integrity and consistency.
  
  Cause:
  
  Field Configuration: The field in question is a key field that uniquely identifies a record in the database. It should not be editable by the user to prevent accidental changes that could lead to data integrity issues.
  Form Design: The form or application may not have been designed correctly, leading to key fields being editable when they should be read-only.
  User Permissions: In some cases, user roles and permissions may allow editing of fields that should be read-only.
  
  
  Solution:
  
  
  Modify Field Properties:
  
  Access the form or application in the SAP development environment (e.g., Adobe LiveCycle Designer for Interactive Forms).
  Locate the key field that is