How To Fix PLM_SE_PRS_MESSAGES021 - Network &1 already exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: PLM_SE_PRS_MESSAGES - Message class for PS services

• Message number: 021

• Message text: Network &1 already exists.

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 PLM_SE_PRS_MESSAGES021 - Network &1 already exists. ?

  The SAP error message PLM_SE_PRS_MESSAGES021 with the description "Network &1 already exists" typically occurs in the context of Project System (PS) or Product Lifecycle Management (PLM) when you are trying to create a network that already exists in the system with the same identifier.
  Cause:
  
  Duplicate Network ID: The most common cause of this error is that you are attempting to create a network with an ID that is already in use. Each network in SAP must have a unique identifier.
  Data Entry Error: There may have been a mistake in entering the network ID, leading to an attempt to create a network that already exists.
  System Configuration: In some cases, system settings or configurations may lead to conflicts in network creation.
  
  Solution:
  
  
  Check Existing Networks: Before creating a new network, check the existing networks to see if the network ID you are trying to use is already in the system. You can do this by navigating to the relevant transaction (e.g., CN21 for creating networks) and searching for the network ID.
  
  
  Use a Different ID: If the network ID is already in use, you will need to choose a different, unique identifier for the new network you are trying to create.
  
  
  Review Input Data: Ensure that you are entering the correct network ID and that there are no typographical errors.
  
  
  Consult Documentation: If you are unsure about the network IDs or how they are structured, refer to your organization's documentation or SAP guidelines for naming conventions.
  
  
  Check for System Issues: If you believe the network ID should not exist, there may be a system issue or data inconsistency. In this case, consult your SAP Basis or technical support team to investigate further.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21 (Create Network), CN22 (Change Network), and CN23 (Display Network) to manage networks effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  User Authorization: Ensure that you have the necessary authorizations to create networks in the system, as lack of permissions can sometimes lead to misleading error messages.
  
  By following these steps, you should be able to resolve the error and successfully create or manage networks in SAP.