How To Fix CCMM455 - Quantity of structure gap (&1) will be decreased by &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMM - Message Class for A&D CCM

• Message number: 455

• Message text: Quantity of structure gap (&1) will be decreased by &2 &3

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 CCMM455 - Quantity of structure gap (&1) will be decreased by &2 &3 ?

  The SAP error message CCMM455 indicates an issue related to the quantity of a structure gap in the context of capacity planning or production planning. This message typically arises in the context of the Capacity Evaluation (CCM) or Capacity Planning (CM) modules.
  Cause:
  The error message CCMM455 is triggered when the system detects that the quantity of a structure gap (which could refer to a production order, work center, or similar entity) is being decreased. The message provides specific details:
  
  &1: The current quantity of the structure gap.
  &2: The amount by which the quantity will be decreased.
  &3: Additional information that may pertain to the specific context of the decrease (e.g., a specific order number or work center).
  
  This situation can occur due to various reasons, such as:
  
  Changes in production schedules.
  Adjustments in capacity planning.
  Manual changes made to production orders or work centers.
  Conflicts in resource allocation.
  
  Solution:
  To resolve the CCMM455 error, consider the following steps:
  
  
  Review the Context: Check the specific details provided in the error message. Identify the structure gap and understand why the quantity is being decreased.
  
  
  Check Production Orders: Look at the production orders or work centers involved. Ensure that the changes made are valid and do not conflict with existing capacity or production plans.
  
  
  Adjust Capacity Planning: If the decrease is due to capacity planning adjustments, ensure that the changes align with overall production goals and resource availability.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on the specific context of the error.
  
  
  Test Changes: If you make adjustments, test them in a non-production environment to ensure that they resolve the issue without causing further problems.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CM01 (Capacity Planning), CM21 (Capacity Evaluation), and others that may help you analyze capacity issues.
  SAP Notes: Check for any SAP Notes related to CCMM455 for known issues or patches that may address the problem.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users.
  
  By following these steps, you should be able to diagnose and resolve the CCMM455 error effectively.