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

SAP Error Message - Details

• 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 the necessary authorizations to access the entries in question. This may involve checking user roles and permissions in the SAP system.
  Review Configuration: Consult with your SAP configuration team to review the settings related to the entries you are trying to access. This may involve checking the configuration of cost centers, internal orders, or other related objects.
  Use Alternative Entries: If the entry is masked for a valid reason, consider using an alternative entry that is not masked. This may involve selecting a different cost center or order that meets your requirements.
  Consult Documentation: Refer to SAP documentation or help resources for more information on the specific context in which the error occurs. This may provide insights into why certain entries are masked.
  Contact SAP Support: If the issue persists and you cannot determine the cause, consider reaching out to SAP support for assistance. They may provide additional insights or solutions based on the specific configuration of your system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1 (Cost Centers: Actual Line Items) or KO03 (Display Order) to better understand the context of your work.
  SAP Notes: Check for any SAP Notes related to error KQ521, as these may provide specific fixes or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing additional context or solutions.
  
  By following these steps, you should be able to address the KQ521 error effectively.