How To Fix CMM_TIER_PRC021 - Call-off quantity cannot be reduced due to existing inovice

CMM_TIER_PRC021 - Overview

• Message type: E = Error

• Message class: CMM_TIER_PRC -

• Message number: 021

• Message text: Call-off quantity cannot be reduced due to existing inovice

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMM_TIER_PRC021 - Call-off quantity cannot be reduced due to existing inovice ?

  The SAP error message CMM_TIER_PRC021 indicates that there is an issue with reducing the call-off quantity in a contract or scheduling agreement because there is an existing invoice that has already been created against that quantity. This typically occurs in scenarios involving procurement and contract management, particularly when dealing with call-off orders or blanket purchase orders.
  
  Cause:
  
  Existing Invoice: The primary cause of this error is that there is at least one invoice that has been created for the quantity you are trying to reduce. SAP does not allow the reduction of call-off quantities if it would affect the integrity of the invoicing process.
  Contractual Obligations: There may be contractual obligations that prevent the reduction of quantities once invoicing has begun.
  System Configuration: Certain configurations in the SAP system may enforce strict rules regarding quantity changes after invoicing.
  
  
  Solution:
  
  Check Invoices: Review the invoices that have been created against the call-off quantity. You can do this