How To Fix WXP015 - Errors occurred in the key figure formula type "after input"

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 015

• Message text: Errors occurred in the key figure formula type "after input"

What causes this issue?

Key figures are used in this planning layout whose values were
calculated using key figure formulas.
Errors occurred in these calculations. Verify which key figure are
proving to be problematic.
To do this, use the "Checks for key figure formulas..." under "Extras".

System Response

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

How to fix this error?

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 WXP015 - Errors occurred in the key figure formula type "after input" ?

  Certainly! Here's a detailed explanation for the SAP error message WXP015: Errors occurred in the key figure formula type "after input":
  
  Error Message
  WXP015: Errors occurred in the key figure formula type "after input"
  
  Cause
  This error occurs in SAP BW (Business Warehouse) or SAP BW/4HANA when there is a problem with the formula defined for a key figure in the "After Input" formula type. The "After Input" formula is used to perform calculations or validations immediately after data entry (input) in a planning or data entry scenario.
  Common causes include:
  
  Syntax errors in the formula expression.
  Use of invalid or undefined variables/key figures in the formula.
  Reference to non-existent or inactive key figures.
  Logical errors that cause the formula to fail during execution.
  Incorrect use of functions or operators not supported in the "After Input" context.
  Missing or incorrect formula assignment in the key figure settings.
  Incompatibility between the formula and the data model or InfoProvider.
  
  
  Solution
  To resolve the WXP015 error, follow