How To Fix DPR_SHARED303 - &1 &2 already exists in the list; list remains unchanged

DPR_SHARED303 - Overview

• Message type: E = Error

• Message class: DPR_SHARED - Development Projects: Messages for Shared Objects

• Message number: 303

• Message text: &1 &2 already exists in the list; list remains unchanged

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 DPR_SHARED303 - &1 &2 already exists in the list; list remains unchanged ?

  The SAP error message DPR_SHARED303 typically occurs in the context of SAP Project Management or SAP Portfolio and Project Management (PPM). This error indicates that an attempt was made to add an item (such as a project, task, or resource) to a list, but the item already exists in that list. As a result, the list remains unchanged.
  
  Cause:
  The error is caused by trying to add a duplicate entry to a list where unique entries are required. This can happen in various scenarios, such as:
  
  Adding a project or task that has already been included in the project structure.
  Attempting to assign a resource that is already assigned to a project or task.
  Importing data that contains duplicates.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicates: Review the list you are trying to modify and check if the item you are trying to add already exists. You can do this by:
  
  Navigating