How To Fix WXP504 - Only one quantity key figure can be assigned to interface &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 504

• Message text: Only one quantity key figure can be assigned to interface &1

What causes this issue?

You want to create an <GL:AUFTEILER>allocation table</> using
<DS:de.WISP_PLINT>interface</> &V1& for planning step &V3&. The
interface must contain a quantity key figure before this can be done.
Possible key figures are all <DS:de.WISP_PLKNZ>key figures</> that
contain a unit of measure and which are assigned to the planning step.
In the interface in question, however, no key figure has been entered.

System Response

No allocation table can be created.

How to fix this error?

Assign a quantity key figure to interface &V1&.

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 WXP504 - Only one quantity key figure can be assigned to interface &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP504: Only one quantity key figure can be assigned to interface &1
  
  
  Cause:
  This warning message occurs in SAP BW (Business Warehouse) during the process of defining or activating an InfoProvider or during the assignment of key figures in a DataSource or transformation interface.
  
  The message indicates that more than one quantity key figure has been assigned to the same interface (e.g., a DataSource or InfoProvider interface).
  In SAP BW, only one key figure can be defined as a quantity key figure per interface because quantity key figures have special handling in aggregation and calculations.
  Assigning multiple quantity key figures to the same interface violates this rule, hence the system issues this warning.
  
  
  Explanation:
  
  Quantity key figure: A key figure that represents a measurable quantity (e.g., number of units sold, quantity ordered).
  SAP BW requires that only one key figure per interface be marked as a quantity