How To Fix REMCCA021 - &1 not changed due to following time slot starting from &2

REMCCA021 - Overview

• Message type: E = Error

• Message class: REMCCA - Messages for Higher-Leevel Mass Change

• Message number: 021

• Message text: &1 not changed due to following time slot starting from &2

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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Smart SAP Assistant

• What is the cause and solution for SAP error message REMCCA021 - &1 not changed due to following time slot starting from &2 ?

  The SAP error message REMCCA021 typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly in the context of the Capacity Planning or Production Planning processes. This error indicates that a certain operation or resource cannot be changed because it falls within a defined time slot that is already occupied or reserved for another operation.
  
  Cause:
  The error message REMCCA021 is triggered when:
  
  You are trying to change a capacity or operation that is scheduled to start within a specific time slot.
  The time slot is already occupied by another operation or resource allocation, which prevents any modifications to the existing schedule.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Time Slot: Review the time slot mentioned in the error message (the start time indicated by &2). Ensure that you are aware of what operations are scheduled during that time.
  
  
  Adjust the Schedule: If possible, adjust the scheduling