How To Fix WFCS106 - Error updating time series buffer posting period, variant &1 &2 &3 &4

WFCS106 - Overview

• Message type: E = Error

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

• Message number: 106

• Message text: Error updating time series buffer posting period, variant &1 &2 &3 &4

What causes this issue?

During the forecast run, the system keeps the first days for the period
in the memory to improve performance as much as possible when creating
the forecast time series. The system discovered errors when accessing
this memory.

System Response

The system cannot calculate a forecast.

How to fix this error?

This could be due to insufficient maintenance of the posting periods or
factory calendar. Posting periods and/or factory calendars must be
available in the system as far into the future or past as is proscribed
by the maintenance of the corresponding forecast master data
(historical periods and/or forecast periods). Enter the relevant master
data if necessary.

Error message extract from SAP system. Copyright SAP SE.

WFCS106 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WFCS106 Error updating time series buffer posting period, variant &1 &2 &3 &4
  
  Meaning / 
  Cause:
  This error occurs during the update of the time series buffer in SAP, specifically when the system tries to update or post data related to a particular posting period and variant. The placeholders (&1, &2, &3, &4) represent dynamic values such as the posting period, variant, or other relevant parameters.
  Common causes include:
  
  Locking conflicts: The time series buffer entry is locked by another process or user, preventing the update.
  Inconsistent or missing data: The posting period or variant specified does not exist or is inconsistent with the current configuration.
  Buffer overflow or corruption: The time series buffer might be corrupted or full, causing update failures.
  Authorization issues: The user or process attempting the update lacks the necessary permissions.
  System inconsistencies: Issues in customizing or master data related to posting periods