How To Fix /PLMB/BA_RCP872 - Primary resource is already selected for process item &1

/PLMB/BA_RCP872 - Overview

• Message type: E = Error

• Message class: /PLMB/BA_RCP -

• Message number: 872

• Message text: Primary resource is already selected for process item &1

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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/PLMB/BA_RCP872 - Details

• The SAP error message /PLMB/BA_RCP872 indicates that a primary resource has already been selected for a process item, which means that the system is preventing you from assigning the same resource to another process item. This is typically encountered in the context of production planning or resource management within SAP.
  
  Cause:
  
  Resource Allocation Conflict: The primary resource you are trying to assign is already allocated to another process item. This can happen if the resource is busy or if there are overlapping time slots for the same resource.
  Configuration Settings: The system may be configured to prevent multiple assignments of the same resource to different process items simultaneously.
  Process Item Status: The status of the process item may not allow for changes to resource assignments.
  
  
  Solution:
  
  Check Resource Availability: Verify if the resource is indeed busy or allocated to another process item. You can do this by checking the resource's schedule or availability in the system.
  Reassign