How To Fix /PM0/ABB_MESSAGES252 - &1 has been entered more than once

/PM0/ABB_MESSAGES252 - Overview

• Message type: E = Error

• Message class: /PM0/ABB_MESSAGES -

• Message number: 252

• Message text: &1 has been entered more than once

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 /PM0/ABB_MESSAGES252 - &1 has been entered more than once ?

  The SAP error message /PM0/ABB_MESSAGES252 indicates that a specific entry (usually a reference to a document, item, or code) has been entered more than once in a context where duplicates are not allowed. This error typically arises in modules related to project management, asset management, or similar areas where unique identifiers are crucial for data integrity.
  
  Cause:
  
  Duplicate Entries: The most common cause is that the same entry (e.g., a project number, asset number, or other identifiers) has been entered multiple times in a transaction or data entry screen.
  Data Migration Issues: If data has been migrated from another system, duplicates may have been inadvertently created.
  User Error: Users may not be aware that they are entering a duplicate entry, especially if they are working with large datasets or multiple screens.
  Configuration Settings: Certain configurations in the SAP system may enforce uniqueness for specific fields, leading to this error when duplicates are detected.
  
  
  Solution:
  
  Identify Duplicates: Check