How To Fix /SAPAPO/MA897 - Entry for & is not unique

/SAPAPO/MA897 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 897

• Message text: Entry for & is not unique

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.

What else can you do?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA897 - Entry for & is not unique ?

  The SAP error message /SAPAPO/MA897 Entry for & is not unique typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the uniqueness of entries in the master data, such as materials, locations, or other key figures. This error indicates that the system has found multiple entries that match the criteria for a specific key, which should be unique.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the master data tables. For example, if you have multiple entries for the same material or location in the planning book or master data, the system cannot determine which entry to use.
  Incorrect Configuration: Sometimes, the configuration settings in the APO system may lead to situations where the system expects unique entries but finds duplicates.
  Data Migration Issues: If data has been migrated from another system or if there have