How To Fix WFCS053 - No key tables for function module & transferred &1 &2 &3

WFCS053 - Overview

• Message type: E = Error

• Message class: WFCS - Message Class for Store Forecasting (Dev. Package WFCS)

• Message number: 053

• Message text: No key tables for function module & transferred &1 &2 &3

Generated Include to Extension - FESSLERH - 25.08.2000
STYLE S_DOCUS1

What causes this issue?

During the forecast run, the function module interface was incorrectly
supplied. The key table used to read data from the database was empty.

System Response

The system could not continue processing data.

How to fix this error?

Start a forecast run, during which the system finds valid master and
movement data.

Error message extract from SAP system. Copyright SAP SE.

WFCS053 - Details

• The SAP error message:
  WFCS053 No key tables for function module & transferred &1 &2 &3
  typically occurs in the context of SAP Workflow when a function module is called that requires key tables for data transfer, but these key tables are not defined or missing.
  
  Explanation / Cause
  
  
  Context: In SAP Workflow, function modules are often used as container methods or as part of workflow steps. These function modules may require certain key tables to be defined to transfer data between the workflow container and the function module parameters.
  
  
  
  Cause: The error message indicates that for the specified function module (the name is in the message variable &), no key tables have been defined or assigned. Key tables are necessary to map the data correctly between the workflow container and the function module interface.
  
  
  This usually happens when:
  
  The function module is used in a workflow step or container method, but the key tables for the