How To Fix REEXPM034 - RS &1 does not belong to PS &2 - assignemnt not possible

REEXPM034 - Overview

• Message type: E = Error

• Message class: REEXPM - Message Texts for Interface to PM

• Message number: 034

• Message text: RS &1 does not belong to PS &2 - assignemnt not possible

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 REEXPM034 - RS &1 does not belong to PS &2 - assignemnt not possible ?

  The SAP error message REEXPM034 indicates that there is an issue with the assignment of a resource (or cost element) to a project structure (PS) in the Project System (PS) module. Specifically, the error states that the resource (or cost element) identified by &1 does not belong to the project structure identified by &2, making the assignment impossible.
  
  Cause:
  
  Incorrect Assignment: The resource or cost element you are trying to assign to the project does not belong to the specified project structure. This could happen if the resource is not defined in the same organizational unit or if it is not valid for the project.
  Master Data Issues: The master data for the resource or project structure may not be correctly set up. For example, the resource might not be assigned to the correct controlling area or project definition.
  Authorization Issues: There may be authorization restrictions preventing the assignment of the resource to the