How To Fix IAOM015 - This masking is not allowed

IAOM015 - Overview

• Message type: E = Error

• Message class: IAOM - Account Assignment Manager Messages

• Message number: 015

• Message text: This masking is not allowed

What causes this issue?

The masking you entered is not allowed.

System Response

The entry cannot be accepted.

How to fix this error?

Use valid masking or enter fixed values.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IAOM015 - This masking is not allowed ?

  The SAP error message IAOM015, which states "This masking is not allowed," typically occurs in the context of the SAP Asset Accounting (FI-AA) module. This error is related to the masking of asset values or transactions that do not comply with the system's configuration or business rules.
  
  Cause:
  The error can arise due to several reasons, including:
  
  
  Incorrect Configuration: The asset masking settings in the system may not be configured correctly. This could involve settings related to asset classes, depreciation areas, or transaction types.
  
  
  Business Rules Violation: The transaction you are trying to perform may violate specific business rules or policies set within the organization regarding asset management.
  
  
  Data Inconsistencies: There may be inconsistencies in the asset master data or transaction data that prevent the system from processing the request.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the action related to asset masking.
  
  
  
  Solution:
  To resolve the IAOM015 error, you can take the