How To Fix AC409 - No maintenance level necessary for screen selection 'NO'

AC409 - Overview

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 409

• Message text: No maintenance level necessary for screen selection 'NO'

What causes this issue?

You selected screen selection 'NO'. If you choose this screen selection
control you cannot make maintenance level specifications or copy from
the reference.

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?

Remove maintenance level selection.

Error message extract from SAP system. Copyright SAP SE.

AC409 - Details

• The SAP error message AC409, which states "No maintenance level necessary for screen selection 'NO'," typically occurs in the context of Asset Accounting (FI-AA) when there is an issue with the configuration of screen selection for asset transactions. This error indicates that the system is trying to access a screen selection that is not configured or is not necessary for the current transaction.
  
  Cause:
  
  Screen Selection Configuration: The error often arises when the screen selection for a particular transaction is set to "NO," meaning that no specific maintenance level is required for that screen. This can happen if the configuration is incomplete or incorrect.
  Transaction Type Settings: The transaction type being used may not have the appropriate settings for screen selection, leading to the system not finding the necessary screens.
  Custom Development: If there are custom developments or modifications in the asset accounting area, they might not be aligned with the standard configurations, causing