How To Fix FOX0021 - Extension '&1' for profile '&2' does not exist in the database

SAP Error Message - Details

• Message type: E = Error

• Message class: FOX0 - FOX Customizing

• Message number: 021

• Message text: Extension '&1' for profile '&2' does not exist in the database

What causes this issue?

You called the maintenance view cluster for a FOX Customizing extension
for an explosion profile and an extension without saving first.

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?

First save your data. Then you can select an extension entry for an
explosion profile, and call maintenance for the data of this extension.

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 FOX0021 - Extension '&1' for profile '&2' does not exist in the database ?

  The SAP error message FOX0021 indicates that a specific extension for a profile does not exist in the database. This error typically arises in the context of SAP's Flexible Real Estate Management (RE-FX) or similar modules where profiles and extensions are used to manage various configurations and settings.
  
  Cause:
  
  Missing Extension: The specified extension (&1) for the given profile (&2) has not been created or is not available in the database.
  Incorrect Profile Name: The profile name provided may be incorrect or misspelled.
  Database Issues: There may be issues with the database connection or integrity, leading to the inability to retrieve the required extension.
  Authorization Issues: The user may not have the necessary authorizations to access the specified profile or extension.
  
  
  Solution:
  
  
  Check Profile and Extension:
  
  Verify that the profile name and extension are correctly specified. Ensure there are no typos or incorrect references.
  Use transaction codes like RE80 (for RE-FX) to check if the profile and its extensions