How To Fix FSH_MAIN305 - Duplicate entry for the key combination &1/&2/&3/&4 exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_MAIN - Message Class for Article Master Data

• Message number: 305

• Message text: Duplicate entry for the key combination &1/&2/&3/&4 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.

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 FSH_MAIN305 - Duplicate entry for the key combination &1/&2/&3/&4 exists ?

  The SAP error message FSH_MAIN305 indicates that there is a duplicate entry for a specific key combination in the system. This typically occurs in the context of managing master data, such as in the SAP Fashion Management (FSH) module, where unique combinations of attributes (like size, color, and style) are required for items.
  
  Cause:
  The error arises when you attempt to create or update a record that conflicts with an existing record in the database. The key combination specified in the error message (represented by placeholders &1, &2, &3, &4) refers to specific attributes that are supposed to be unique. If you try to enter a combination that already exists, the system will throw this error.
  
  Solution:
  To resolve the FSH_MAIN305 error, you can follow these steps:
  
  
  Identify the Duplicate Entry:
  
  Check the key combination mentioned in the error message. This will help you identify which specific attributes are causing the conflict.
  Use transaction codes like SE16