How To Fix RM456 - PDC no. &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 456

• Message text: PDC no. &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 RM456 - PDC no. &1 already exists ?

  The SAP error message RM456 indicates that a Production Data Collection (PDC) number already exists in the system. This typically occurs when there is an attempt to create a new PDC entry with a number that is already in use, leading to a conflict.
  Cause:
  
  Duplicate Entry: The most common cause is that the PDC number you are trying to create has already been assigned to another entry in the system.
  Data Entry Error: There may have been a mistake in data entry, leading to the attempt to create a duplicate.
  System Configuration: The system may not be configured to allow for the creation of multiple entries with the same PDC number.
  
  Solution:
  
  Check Existing Entries: Verify if the PDC number you are trying to use already exists in the system. You can do this by searching for the PDC number in the relevant transaction or report.
  Use a Different Number: If the PDC number is indeed in use, you will need to select a different, unique PDC number for your new entry.
  Review Data Entry: Ensure that the data you are entering is correct and that you are not mistakenly trying to create a duplicate.
  Consult Documentation: Check the SAP documentation or your organization's guidelines for PDC number assignment to ensure compliance with any naming conventions or rules.
  System Configuration: If you believe that the system should allow for the creation of multiple entries with the same PDC number, consult with your SAP administrator or technical team to review the configuration settings.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for PDC management, such as COHV (Mass Processing of Production Orders) or CO02 (Change Production Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to PDC number handling.
  User Roles and Permissions: Ensure that you have the necessary permissions to create or modify PDC entries in the system.
  Training and Documentation: If you are new to using PDC in SAP, consider seeking training or reviewing documentation to better understand the process and avoid similar issues in the future.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.