How To Fix /SAPAPO/DMRES873 - Alternative name &1 already assigned to resource &2

/SAPAPO/DMRES873 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 873

• Message text: Alternative name &1 already assigned to resource &2

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 /SAPAPO/DMRES873 - Alternative name &1 already assigned to resource &2 ?

  The SAP error message /SAPAPO/DMRES873 indicates that there is a conflict with resource naming in the SAP Advanced Planning and Optimization (APO) module. Specifically, the error states that an alternative name (or alias) you are trying to assign to a resource is already in use by another resource.
  
  Cause:
  
  Duplicate Alternative Name: The alternative name you are trying to assign to a resource is already assigned to another resource in the system.
  Data Entry Error: There may have been a mistake in entering the alternative name, leading to an attempt to assign a name that already exists.
  
  Configuration Issues: There may be issues in the configuration of resources or naming conventions that lead to conflicts.
  
  
  Solution:
  
  
  Check Existing Assignments:
  
  Go to the resource master data in SAP APO and check the list of resources to see if the alternative name you are trying to assign is already in use.
  You can use transaction codes like /SAPAPO/RES01 to view