How To Fix KQ521 - Do not choose the masked standard entry

KQ521 - Overview

• Message type: E = Error

• Message class: KQ - Error Messages for Customizing Product Costing

• Message number: 521

• Message text: Do not choose the masked standard entry

What causes this issue?

You have chosen the masked standard entry. This is not allowed. If you
want to use the standard quantity structure control, the field
"Quantity structure control" in the costing variant should be blank.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KQ521 - Do not choose the masked standard entry ?

  The SAP error message KQ521, which states "Do not choose the masked standard entry," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error is related to the selection of standard entries in a list where certain entries are masked or hidden due to specific settings or configurations.
  
  Cause:
  
  Masked Entries: The error indicates that the entry you are trying to select is masked, meaning it is not available for selection due to certain restrictions or settings in the system.
  Authorization Issues: The user may not have the necessary authorizations to access certain entries.
  Configuration Settings: The system may be configured to hide certain standard entries based on specific criteria, such as status or type of transaction.
  Data Integrity: The entry may be invalid or not properly configured in the system, leading to it being masked.
  
  
  Solution:
  
  Check Authorizations: Ensure that the user has