How To Fix IRW_LT039 - Change to Is SAP System field not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: IRW_LT - ILM LT

• Message number: 039

• Message text: Change to Is SAP System field not permitted

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 IRW_LT039 - Change to Is SAP System field not permitted ?

  The SAP error message IRW_LT039, which states "Change to Is SAP System field not permitted," typically occurs in the context of working with SAP Logistics or when dealing with certain configuration settings in the system. This error indicates that there is an attempt to modify a field that is not allowed to be changed, specifically the "Is SAP System" field.
  Cause:
  
  Field Restrictions: The "Is SAP System" field is a system-defined field that is usually set during the initial configuration of the system. It is not intended to be modified after the system has been set up.
  Authorization Issues: The user may not have the necessary authorizations to make changes to certain configuration settings.
  System Integrity: SAP enforces certain restrictions to maintain the integrity and stability of the system. Changing critical fields can lead to inconsistencies.
  
  Solution:
  
  Check Configuration: Review the configuration settings to ensure that you are not attempting to change a field that is meant to remain static. If you need to make changes, consult with your SAP Basis or system administrator.
  Authorization Check: Ensure that you have the appropriate authorizations to make changes in the relevant area. If not, contact your system administrator to obtain the necessary permissions.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific configuration you are working with. This can provide insights into what fields can be modified and under what circumstances.
  Contact SAP Support: If you believe that the error is occurring inappropriately or if you need to change the field for a valid reason, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the configuration you are working on, as this can help in navigating the system more effectively.
  User Roles: Review user roles and profiles to ensure that they are set up correctly for the tasks being performed.
  
  In summary, the IRW_LT039 error is a protective measure by SAP to prevent unauthorized or unintended changes to critical system fields. Addressing the issue typically involves checking configurations, ensuring proper authorizations, and consulting documentation or support resources.