How To Fix /PLMI/PPECMP372 - Reference of &1 &2 to &3 in &4 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/PPECMP -

• Message number: 372

• Message text: Reference of &1 &2 to &3 in &4 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/PPECMP372 - Reference of &1 &2 to &3 in &4 not allowed ?

  The SAP error message /PLMI/PPECMP372 Reference of &1 &2 to &3 in &4 not allowed typically occurs in the context of SAP's Project Management or Project System modules. This error indicates that there is an issue with the way references are set up between different project elements or components.
  Cause:
  The error message is triggered when there is an attempt to create a reference (such as a dependency or link) between project elements that are not allowed by the system's configuration or business rules. This could be due to:
  
  Invalid Relationships: The relationship you are trying to establish between the specified elements is not permitted. For example, you might be trying to link a task to a project in a way that violates the defined hierarchy or structure.
  Configuration Issues: The system may not be configured to allow certain types of references, or there may be restrictions based on the project type or status.
  Data Integrity Issues: There may be inconsistencies or errors in the data that prevent the reference from being established.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check the Reference: Review the elements you are trying to link (indicated by &1, &2, &3, and &4 in the error message). Ensure that the relationship you are trying to create is valid according to your project's structure and rules.
  Review Configuration: Check the configuration settings in your SAP system related to project management. Ensure that the settings allow for the type of reference you are trying to create.
  Data Validation: Validate the data for the project elements involved. Look for any inconsistencies or errors that might be causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on allowed references in your version of SAP.
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance. They may have additional insights or solutions based on your specific configuration and usage.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP for project management, such as CJ20N (Project Builder) or CJ02 (Change Project).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or workarounds.
  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 cause of the error and implement a solution to resolve it.