How To Fix FOT_B2A820 - Assigned periods must first be removed

FOT_B2A820 - Overview

• Message type: E = Error

• Message class: FOT_B2A - Messages Administration Report Electronic Data Transmission

• Message number: 820

• Message text: Assigned periods must first be removed

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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FOT_B2A820 - Details

• The SAP error message FOT_B2A820 with the description "Assigned periods must first be removed" typically occurs in the context of financial transactions, particularly when dealing with period assignments in SAP. This error indicates that there are assigned periods (such as fiscal periods or posting periods) that need to be cleared or removed before proceeding with the action you are attempting.
  
  Cause:
  
  Assigned Periods: The error usually arises when you are trying to perform an action (like posting a document, changing a configuration, or executing a transaction) that requires the removal of existing period assignments.
  Locked Periods: The periods you are trying to modify or delete may be locked due to various reasons, such as being closed for posting or having transactions already recorded in them.
  
  Configuration Issues: There may be configuration settings in the financial module that prevent changes to assigned periods.
  
  
  Solution:
  
  
  Remove Assigned Periods:
  
  Navigate to the relevant transaction or configuration where the error is