How To Fix CFD_ABAP_MANAGED_FLD018 - Database table &1 is not supported in the app Custom Fields and Logic.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_ABAP_MANAGED_FLD - Custom Fields: Messages of ABAP-Managed Fields

• Message number: 018

• Message text: Database table &1 is not supported in the app Custom Fields and Logic.

What causes this issue?

To use your database field in the app <ZK>Custom Fields and Logic<(>,<)>
</> the table and the related application logic have been prepared by
SAP accordingly. The database table <(>&<)>1 has not been prepared yet.

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?

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 CFD_ABAP_MANAGED_FLD018 - Database table &1 is not supported in the app Custom Fields and Logic. ?

  The SAP error message CFD_ABAP_MANAGED_FLD018 indicates that a specific database table is not supported in the Custom Fields and Logic (CFL) app. This typically occurs when you attempt to create or manage custom fields for a table that is not eligible for customization through the CFL framework.
  Cause:
  
  Unsupported Table: The database table you are trying to use is not supported by the Custom Fields and Logic app. This could be due to the table being a standard SAP table that is not designed for extensibility or customization.
  Technical Restrictions: Some tables may have technical restrictions that prevent them from being modified or extended through the Custom Fields and Logic framework.
  Data Model Limitations: The data model of the application may not allow for custom fields to be added to certain tables.
  
  Solution:
  
  Check Table Compatibility: Verify if the table you are trying to use is listed as supported in the SAP documentation for Custom Fields and Logic. You can refer to the SAP Help Portal or the specific documentation for the CFL app.
  Use Alternative Tables: If the table is not supported, consider using alternative tables that are compatible with the Custom Fields and Logic app. You may need to redesign your approach to use a different table that meets your requirements.
  Custom Development: If you need to extend a table that is not supported, consider using ABAP development to create custom fields or enhancements. This may involve creating a custom Z-table or using BAdIs (Business Add-Ins) to implement the required functionality.
  Consult SAP Notes: Check for any relevant SAP Notes that may provide additional information or updates regarding the specific table and its compatibility with the Custom Fields and Logic app.
  
  Related Information:
  
  SAP Help Portal: Look for the official documentation on Custom Fields and Logic to understand the limitations and supported objects.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance, especially if this is impacting your business processes.
  
  By following these steps, you should be able to address the CFD_ABAP_MANAGED_FLD018 error and find a suitable solution for your customization needs.