How To Fix WRF_AT008 - Enter a hierarchy ID

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_AT - Messages for Allocation Table RTFASH

• Message number: 008

• Message text: Enter a hierarchy ID

What causes this issue?

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

System Response

How to fix this error?

Enter a hierarchy ID for the specified hierarchy node or select a
different hierarchy node.

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 WRF_AT008 - Enter a hierarchy ID ?

  SAP Error Message:
  
  WRF_AT008: Enter a hierarchy ID
  
  Cause:
  This error occurs when a required Hierarchy ID is missing in a transaction or input screen where the system expects you to specify a hierarchy. Hierarchies are often used in SAP for organizing data structures such as organizational units, cost centers, or product groups. The system cannot proceed without this mandatory field being filled.
  
  When does it typically occur?
  
  When working with Workforce Planning (WRF) or related modules that require hierarchical data input.
  During data entry or configuration steps where a hierarchy must be selected or created.
  When importing or processing data that references a hierarchy but the hierarchy ID is not provided.
  
  
  Solution:
  
  
  Enter the Hierarchy ID:
  
  Identify the field labeled "Hierarchy ID" or similar on the screen.
  Enter a valid hierarchy ID that exists in the system.
  If you do not know the hierarchy ID, use the search help (F4) to find the correct one.
  
  
  
  Create a Hierarchy if it does not exist:
  
  If no suitable hierarchy exists, create a new hierarchy in the relevant customizing or master data maintenance transaction.
  For example, in Workforce Planning, you might create hierarchies via transaction codes related to organizational management or planning.
  
  
  
  Check Configuration:
  
  Verify that the configuration settings for the module or process you are working with require a hierarchy.
  Ensure that the hierarchy is properly maintained and active.
  
  
  
  Consult Documentation or Support:
  
  If unsure about which hierarchy to use, consult your functional consultant or SAP documentation related to the specific module.
  Check if any user exits or enhancements are enforcing hierarchy input.
  
  
  
  
  Related Information:
  
  Hierarchy in SAP: A hierarchy is a structured representation of organizational units or other entities, often used for reporting, planning, or authorization.
  Workforce Planning (WRF): This module uses hierarchies to organize workforce data.
  Transaction Codes: Depending on the module, hierarchies can be maintained via different transactions, e.g., PPOME for organizational management, or specific WRF customizing transactions.
  Search Help (F4): Use this to find valid hierarchy IDs if you are unsure.
  
  
  Summary:
  
  Error: WRF_AT008 means you must enter a hierarchy ID.
  Cause: Missing mandatory hierarchy ID input.
  Fix: Enter or create a valid hierarchy ID before proceeding.
  
  
  If you provide the exact transaction or process where this error occurs, I can give more tailored guidance.