How To Fix /PLMI/PPECMP477 - Multiple use of &1 from &2 &3 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/PPECMP -

• Message number: 477

• Message text: Multiple use of &1 from &2 &3 not allowed

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/PPECMP477 - Multiple use of &1 from &2 &3 not allowed ?

  The SAP error message /PLMI/PPECMP477 Multiple use of &1 from &2 &3 not allowed typically occurs in the context of SAP's Project Management or Project System modules. This error indicates that there is an attempt to use the same component or resource multiple times in a way that is not permitted by the system's configuration or business rules.
  Cause:
  
  Duplicate Assignment: The error usually arises when a component (like a material, resource, or activity) is assigned to multiple locations or tasks in a way that violates the system's constraints.
  Configuration Issues: There may be specific settings in the project or resource management configuration that prevent the same item from being used in multiple places.
  Data Integrity Issues: There could be inconsistencies in the data that lead to the system interpreting the same component as being used in multiple contexts.
  
  Solution:
  
  Check Assignments: Review the assignments of the component/resource in question. Ensure that it is not being assigned to multiple tasks or locations simultaneously.
  Adjust Configuration: If the business process allows for the same component to be used in multiple places, you may need to adjust the configuration settings in the project management module to permit this.
  Data Cleanup: If there are data integrity issues, perform a cleanup of the relevant data entries to ensure that there are no duplicates or conflicting assignments.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on how to manage components and resources in your version of SAP.
  Seek Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and usage.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CJ02 (Change Project) to review project assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.