Message type: E = Error
Message class:  HRPFD00 - HR-PF: International Pension Fund 
Message number: 586
Message text: Target plan already exists => Copying is not possible
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.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message HRPFD00586, which states "Target plan already exists => Copying is not possible," typically occurs in the context of personnel planning or organizational management when you attempt to copy a plan or structure that already exists in the system. This error indicates that the target plan you are trying to create or copy to already exists, and therefore, the system does not allow the operation to proceed.
Cause: Existing Target Plan: The most common cause of this error is that the target plan you are trying to create or copy to already exists in the system. This could be due to a previous operation that created the plan or an oversight in checking existing plans. Incorrect Parameters: Sometimes, the parameters or identifiers used in the copy operation may not be correctly set, leading the system to believe that the target already exists. Data Integrity Constraints: SAP has built-in data integrity checks
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPFD00585 Processing schedule '&1' does not exist
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPFD00584 Selected plan is currently locked in request/task '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPFD00587 Take customer name space into account
What causes this issue?  This process control schedule is in the SAP name space. Therefore, the documentation cannot be changed.System Response  The s...
HRPFD00588 Copy &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.