How To Fix /PLMI/PPECMP320 - Fixed quantity in change status &1 of &2 &3 not allowed in header data

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/PPECMP -

• Message number: 320

• Message text: Fixed quantity in change status &1 of &2 &3 not allowed in header data

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/PPECMP320 - Fixed quantity in change status &1 of &2 &3 not allowed in header data ?

  The SAP error message /PLMI/PPECMP320 indicates that there is an issue with the fixed quantity in the change status of a particular document or item. This error typically arises in the context of production planning or project management within SAP, particularly when dealing with fixed quantities in the header data of a document.
  Cause:
  The error message is triggered when you attempt to change a document or item that has a fixed quantity set, but the system does not allow changes to that fixed quantity in the specified status. This can occur due to several reasons:
  
  Status Restrictions: The document or item is in a status that does not permit changes to fixed quantities.
  Configuration Settings: The system configuration may restrict changes to fixed quantities based on business rules or settings in the project or production planning module.
  Data Integrity: The system is designed to maintain data integrity, and changing fixed quantities in certain statuses could lead to inconsistencies.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Document Status: Review the status of the document or item you are trying to change. If it is in a status that does not allow changes, you may need to change the status to one that does permit modifications.
  Review Configuration: Consult with your SAP configuration team to understand if there are specific settings that restrict changes to fixed quantities. They may need to adjust the configuration if necessary.
  Use Alternative Methods: If changing the fixed quantity is not allowed, consider whether you can achieve your goal through alternative means, such as creating a new document or item with the desired quantities.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on the specific transaction or module you are working with.
  
  Related Information:
  
  Transaction Codes: Identify the transaction code you are using when the error occurs, as this can provide context for troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  User Permissions: Ensure that you have the necessary permissions to make changes to the document or item in question.
  Testing in Development: If possible, replicate the issue in a development or test environment to better understand the cause and test potential solutions without impacting production data.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.